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Gemination, or consonant elongation, is the pronouncing in phonetics of a spoken consonant for an audibly longer period of time than that of a short consonant. It is distinct from stress and may appear independently of it. Gemination literally means "twinning" and comes from the same Latin root as "Gemini".
Consonant length is distinctive in some languages, like Arabic, Berber, Maltese, Catalan, Danish, Estonian, Finnish, Classical Hebrew, Hungarian, Italian, Japanese, Latin, Malayalam, Marathi, Tamil and Telugu. Most languages (including English) do not have distinctive long consonants, however.
Vowel length is distinctive in more languages than consonant length is. Several languages, like Arabic, Japanese, Finnish and Estonian, feature both independently, however; others, like Norwegian and Swedish, have interdependent vowel and consonant length.
Lengthened fricatives, nasals, laterals, approximants and trills are simply prolonged. In lengthened stops, the obstruction of the airway is prolonged, which delays release, and the "hold" is lengthened.
Long consonants are usually pronounced one-and-a-half to two times as long as short consonants, depending on the language.
Gemination of consonants is distinctive in some languages and then is subject to various phonological constraints that depend on the language.
In some languages, like Italian, Swedish, Faroese, Icelandic, many Finnish dialects and Luganda, consonant length and vowel length depend on each other. A short vowel within a stressed syllable almost always precedes a long consonant or a consonant cluster, and a long vowel must be followed by a short consonant. In Classical Arabic, a long vowel was lengthened even more before permanently-geminate consonants, but that no longer occurs in modern varieties of Arabic or even Modern Standard Arabic.
In other languages, such as Finnish, consonant length and vowel length are independent of each other. In Finnish, both are phonemic; taka /taka/ "back", takka /takːa/ "fireplace" and taakka /taːkːa/ "burden" are different, unrelated words. Finnish consonant length is also affected by consonant gradation. Another important phenomenon is sandhi, which produces long consonants to word boundaries from an archiphonemic glottal stop |otaʔ se| > ota se "take it!"
Also, in some Finnish compound words, if the initial word ends in an e, the initial consonant of the following word is geminated: jätesäkki "trash bag" [jætesːækːi], tervetuloa "welcome" [terʋetːuloa]. In certain cases, a v after a u is geminated by most people: ruuvi "screw" /ruːʋ:i/, vauva "baby" [ʋauʋ:a]. In the Tampere dialect, if a word receives gemination of v after u, the u is often deleted: ruuvi [ruʋ:i], vauva [ʋaʋ:a] and lauantai "Saturday" receive a medial v [lauʋantai] and so a further deletion of u may occur: [laʋ:antai].
Distinctive consonant length is usually restricted to certain consonants. There are very few languages that have initial consonant length; among them are Pattani Malay, Chuukese, Moroccan Arabic, a few Romance languages such as Sicilian and Neapolitan as well as many High Alemannic German dialects, such as that of Thurgovia. Some African languages, such as Setswana and Luganda, also have initial consonant length: it is very common in Luganda and indicates certain grammatical features. In Colloquial Finnish and spoken Italian, long consonants are produced between words because of sandhi.
The reverse of gemination reduces a long consonant to a short one, which is called degemination. It is a pattern in Baltic-Finnic consonant gradation that the strong grade (often the nominative) form of the word is degeminated into a weak grade (often all the other cases) form of the word: taakka > taakan (burden, of the burden).
Arabic marks gemination with a diacritic shaped like a rounded w, called the shadda ( ّ ). It is written above the consonant that is to be doubled. It is the most common diacritic (ḥaraka) that is sometimes used in ordinary spelling to avoid ambiguity. For instance, it is sometimes used to distinguish مدرّسة mudarrisa "female teacher" from مدرسة madrasa "school".
In Berber languages, each consonant has a geminate counterpart, and gemination is lexically contrastive. The distinction between single and geminate consonants is attested in medial position as well as in absolute initial and final positions.
In addition to lexical geminates, Berber presents two additional types of geminates: phonologically derived and morphologically derived ones. Phonologically derived geminates can surface either through concatenation (e.g. [fas sin] 'give him two!') or through complete assimilation (e.g. /rad = k i-sli/ [rakk isli] 'he will touch you'). The morphological alternations include imperfective gemination, whereby certain Berber verbs form their imperfective stem by geminating one consonant in their perfective stem (e.g. [ftu] 'go! PF', [fttu] 'go! IMPF'), and quantity alternations between singular and plural forms (e.g. [afus] 'hand', [ifassn] 'hands').
In Catalan, gemination is expressed with consonant repetition. Since repetition of the letter 'l' generates the digraph 'll' (it represents the phoneme /ʎ/), its gemination is represented as two 'l's separated by a centered dot (l·l):
- col·legi (school)
- varicel·la (chickenpox)
- mil·lenari (millenary)
Danish has a three-way consonant length distinction. For instance:
- bunde [b̥ɔnə] "bottoms'
- bundne [b̥ɔnnə] 'bound' (pl.)
- bundene [b̥ɔnn̩nə] 'the bottoms'
The word 'bundene' can phonemically be analyzed as /bɔnənə/, with the middle schwa being assimilated to [n].
- calm man [ˌkɑːmˈmæn]
- this saddle [ðɪsˈsædəl]
- midday [ˈmɪd.deɪ]
- lamppost [ˈlæmp.poʊst] (cf. lamb post, compost)
- cattail [ˈkæt.teɪl] (compare consonant length in "catfish")
- roommate [ˈrum.meɪt]
- subbasement [ˌsʌbˈbeɪsmənt]
- evenness [ˈiːvənnəs]
- misspell [ˌmɪsˈspel]
- prime minister
With affricates, however, this does not occur. For instance:
- orange juice [ˈɒrɪndʒ.dʒuːs]
In most instances, the absence of this doubling does not affect the meaning, though it may confuse the listener momentarily. The following minimal pairs represent examples where the doubling does affect the meaning in most accents:
- "night train" versus "night rain"
- "unaimed" [ʌnˈeɪmd] versus "unnamed" [ʌnˈneɪmd]
- "foreigner" [ˈfɔːrənər] versus "forerunner" [ˈfɔːrˌrənər] (only in some varieties of General American)
In some dialects gemination is also found when the suffix -ly follows a root ending in -l or -ll, as in:
- solely [ˈsoʊl.li]
In some varieties of Welsh English, the process takes place indiscriminately between vowels, e.g. in money [ˈmɜn.niː] but it also applies with graphemic duplication (thus, orthographically dictated), e.g. butter [ˈbɜt̚.tə]
Estonian has three phonemic lengths; however, the third length is a suprasegmental feature, which is as much tonal patterning as a length distinction. It is traceable to allophony caused by now-deleted suffixes, for example half-long linna < *linnan "of the city" vs. overlong linna < *linnahan "to the city".[clarification needed]
Consonant length is phonemic in Finnish: For example, takka [ˈtakːa] (transcribed with the length sign [ː] or with a doubled sign [ˈtakka]), 'fireplace', but taka [ˈtaka], 'back'. Consonant gemination occurs with simple consonants (hakaa : hakkaa) and between syllables in the pattern (consonant)-vowel-sonorant-stop-stop-vowel (palkka), but not generally in codas or with longer syllables. (This occurs in Sami languages, so there is the name of Sami origin Jouhkki).
Sandhi may also produce geminates. Consonant and vowel gemination are both phonemic and occur independently, e.g. Mali, maali, malli, maallinen (Mali (a Karelian surname), paint, model and secular, respectively).
In multiple Finnish dialects there is also types of special gemination when in contact with long vowels: Southwestern special gemination ("Lounaismurteiden erikoisgeminaatio") (lengthening of stops+shortening of long vowel), with the type Leipää< Leippä, the "Common gemination" ("Yleisgeminaatio") (all consonants in short, stressed syllables are lengthened), with the type Putoaa < Puttoo, and its extension (which is strongest in the northwestern Savonian dialects), the "Eastern dialectal special gemination" ("Itämurteiden erikoisgeminaatio") (same as the Common gradiation, but applies also to unstressed syllables and certain clusters), with the types Lehmiä < Lehmmii and Maksetaan < Maksettaan.
In French, consonant length is usually not distinctive, but in certain exceptional cases it can be, such as the pair courons [kuʁɔ̃] vs courrons [kuʁːɔ̃]. Gemination also occurs in case of schwa elision.
Ganda is unusual in that gemination can occur word-initially, as well as word-medially. For example, kkapa /kːapa/ 'cat', /ɟːaɟːa/ jjajja 'grandfather' and /ɲːabo/ nnyabo 'madam' all begin with geminate consonants.
There are three consonants that cannot be geminated: /j/, /w/ and /l/. Whenever morphological rules would geminate these consonants, /j/ and /w/ are prefixed with /ɡ/, and /l/ changes to /d/. For example:
- -ye /je/ 'army' (root) > ggye /ɟːe/ 'an army' (noun)
- -yinja /jiːɲɟa/ 'stone' (root) > jjinja /ɟːiːɲɟa/ 'a stone' (noun); jj is usually spelt ggy
- -wanga /waːŋɡa/ 'nation' (root) > ggwanga /ɡːwaːŋɡa/ 'a nation' (noun)
- -lagala /laɡala/ 'medicine' (root) > ddagala /dːaɡala/ 'medicine' (noun)
In Ancient Greek, consonant length was distinctive, e.g., μέλω [mélɔː] "I am of interest" vs. μέλλω [mélːɔː] "I am going to". The distinction has been lost in the standard and most other varieties, with the exception of Cypriot (where it might carry over from Ancient Greek or arise from a number of synchronic and diachronic assimilatory processes, or even spontaneously), some varieties of the southeastern Aegean, and Italy.
See section below for Urdu. Same rules for both languages.
In Standard Italian, consonant length is distinctive. For example, bevve, meaning "he/she drank", is /ˈbevːe/, while beve ("he/she drinks/is drinking") is /ˈbeːve/. Tonic syllables are bimoraic and are therefore composed of either a long vowel in an open syllable (as in beve) or a short vowel in a closed syllable (as in bevve).
Double consonants occur not only within words but at word boundaries, where they are pronounced but not necessarily written: chi + sa = chissà ("who knows") /kisˈsa/ and vado a casa ("I am going home") pronounced /ˌvaːdo a ˈkːaːsa/ (the latter example refers to central and southern standard Italian).
In Japanese, consonant length is distinctive (as is vowel length). Gemination in the syllabary is represented with the sokuon, a small tsu: っ for hiragana in native words and ッ for katakana in foreign words. For example, 来た (きた, kita) means "came; arrived", while 切った (きった, kitta) means "cut; sliced". With the influx of gairaigo ("foreign words") into Modern Japanese, voiced consonants have become able to geminate as well: バグ (bagu) means "(computer) bug", and バッグ (baggu) means "bag". Distinction between voiceless gemination and voiced gemination is visible in pairs of words such as キット (kitto, meaning "kit") and キッド (kiddo, meaning "kid"). In addition, in some variants of colloquial Modern Japanese, gemination may be applied to some adjectives and adverbs (regardless of voicing) in order to add emphasis: すごい (sugoi, "amazing") contrasts with すっごい (suggoi, "really amazing"); 思い切り (おもいきり, omoikiri, "with all one's strength") contrasts with 思いっ切り (おもいっきり, omoikkiri, "really with all one's strength").
Latin and Romance languages
In Latin, consonant length was distinctive, as in anus "anus" vs. annus "year". (Vowel length was also distinctive in Latin, but is not reflected in the orthography.) Gemination inherited from Latin still occurs in Italian. It has been almost completely lost in French and completely in Romanian. In West Iberian languages, former Latin geminate consonants often evolved to new phonemes, including some lexicon with nasal vowels of Portuguese and Old Galician (that are partly of Celtic influence) as well as most Spanish /ɲ/ and /ʎ/, but phonetic length of both consonants and vowels is no longer distinctive.
Consider following example:
മേശ + പെട്ടി (mēśa + peṭṭi, ) – മേശപ്പെട്ടി (mēśappeṭṭi)
In Marathi, the compounding occurs quite frequently, as in the words haṭṭa (stubbornness), kaṭṭā (platform) or sattā (power). It seems to happen most commonly with the dental and retroflex consonants.
Gemination is indicated in writing by double consonants. Gemination often differentiates between otherwise unrelated words.
- måte / måtte – "method" / "had to"
- lete / lette – "search" / "take off"
- sine / sinne – "theirs" / "anger"
In Polish, consonant length is indicated with two identical letters. Examples:
- wanna /ˈvanːa/ – "bathtub"
- Anna /ˈanːa/
- horror /ˈxɔrːɔr/ – "horror"
- hobby /ˈxɔbːɨ/ – "hobby"
Consonant length is distinctive and sometimes is necessary to distinguish words:
- rodziny /rɔˈd͡ʑinɨ/ – "families"; rodzinny /rɔˈd͡ʑinːɨ/ – adjective of "family"
- saki /saki/ – "sacks, bags"; ssaki /sːaki/ – "mammals",
- leki /ˈlɛkʲi/ – "medicines"; lekki /ˈlɛkʲːi/ – "light, lightweight"
Double consonants are common on morpheme borders where the initial or final sound of the suffix is the same as the final or initial sound of the stem (depending on the position of the suffix). Examples:
- przedtem /ˈpʂɛtːɛm/ – "before, previously"; from przed (suffix "before") + tem (archaic "that")
- oddać /ˈɔdːat͡ɕ/ – "give back"; from od (suffix "from") + dać ("give")
- bagienny /baˈgʲɛnːɨ/ – "swampy"; from bagno ("swamp") + ny (suffix forming adjectives)
- najjaśniejszy /najːaɕˈɲɛ̯iʂɨ/ – "brightest"; from naj (suffix forming superlative) + jaśniejszy ("brighter")
Punjabi in its official script Gurmukhi uses a diacritic called an áddak ( ੱ ) (ਅੱਧਕ, [ə́dːək]) which is written above the word and indicates that the following consonant is geminate. Gemination is specially characteristic of Punjabi compared to other Indo-Aryan languages like Hindi-Urdu, where instead of the presence of consonant lengthening, the preceding vowel tends to be lengthened. Consonant length is distinctive in Punjabi, for example:
- ਦਸ [d̪əs] – 'ten'; ਦੱਸ [d̪əsː] – 'tell' (verb)
- ਪਤਾ [pət̪a] – 'aware of something'; ਪੱਤਾ [pət̪ːa] – 'leaf'
- ਸਤ [sət̪] – 'truth' (liturgical); ਸੱਤ [sət̪ː] – 'seven'
- ਕਲਾ [kəla] – 'art'; ਕੱਲਾ [kəlːa] – 'alone'
In Russian, consonant length (indicated with two letters, as in ванна ˈvannə 'bathtub') may occur in several situations.
Minimal pairs (or chronemes) exist, such as подержать [pədʲɪrˈʐatʲ] 'to hold' vs поддержать [pədʲːɪrˈʐatʲ] 'to support', and their conjugations, or длина [dlʲɪˈna] 'length' vs длинна [dlʲɪˈnːa] 'long' adj. f.
- Word formation or conjugation: длина ([dlʲɪˈna] 'length') > длинный ([ˈdlʲinnɨj] 'long') This occurs when two adjacent morphemes have the same consonant and is comparable to the situation of Polish described above.
- Assimilation. The spelling usually reflects the unassimilated consonants, but they are pronounced as a single long consonant.
- высший ([ˈvɨʂːɨj] 'highest').
- müderrise [myˈdeɾːise] ([from Arabic, mostly obsolete] "female teacher")
- pizza [piˈzːa] (from Italian)
Loanwords originally ending with a geminated consonant are always written and pronounced without the ending gemination.
Although gemination is resurrected when the word takes a suffix.
- hac becomes hacca [haˈdʒːa] (to hajj) when it takes the suffix "-a" (to, indicating destination)
- hat becomes hattın [haˈtːɯn] (of calligraphy) when it takes the suffix "-ın" (of, expressing possession)
Gemination also occurs when a suffix starting with a consonant comes after a word that ends with the same consonant.
- el [el] (hand) + -ler [leɾ] ("-s", marks plural) = eller [eˈlːeɾ] (hands). (contrasts with eler, s/he eliminates)
- at [at] (to throw) + -tık [tɯk] ("-ed", marks past tense, first person plural) = attık [aˈtːɯk] (we threw [smth.]). (contrasts with atık, waste)
In Ukrainian, geminates are found between vowels: багаття /bɑˈɦɑtʲːɑ/ "bonfire", подружжя /poˈdruʒʲːɑ/ "married couple", обличчя /obˈlɪt͡ʃʲːɑ/ "face". Geminates also occur at the start of a few words: лляний /lʲːɑˈnɪj/ "flaxen", forms of the verb лити "to pour" (ллю /lʲːu/, ллєш /lʲːɛʃ/ etc.), ссати /ˈsːɑtɪ/ "to suck" and derivatives. Gemination is in some cases semantically crucial; for example, манна means "manna" or "semolina" while мана means "delusion".
Gemination is common in Urdu and means doubling of the consonant sound. Found both in words of Indic-origin and Arabic-origin, but not for Persian-origin. Examples below.
- pattaa – leaf
- abbaa – father
- naqqaal – impersonator
- dajjaal – anti-Christ
- Dabbaa – box
- munnaa – young boy/baby
- gaddaa – mattress
For aspirated consonants (bh, ph, th, dh, kh, and so on), the gemination means twinning of their non-aspirated sound followed by aspirated. Hard to quote a gemination scenario where an aspirated consonant is truly doubled by itself. Examples:
- pat.thar – stone
- kat.thaa – brown spread on paan
- ad.dhaa – slang/short for half (aadhaa)
- mak.khii – fly
In Wagiman, an indigenous Australian language, consonant length in stops is the primary phonetic feature that differentiates fortis and lenis stops. Wagiman does not have phonetic voice. Word-initial and word-final stops never contrast for length.
In written language, consonant length is often indicated by writing a consonant twice ("ss", "kk", "pp", and so forth), but can also be indicated with a special symbol, such as the shadda in Arabic, the dagesh in Classical Hebrew, or the sokuon in Japanese. Estonian uses 'b', 'd', 'g' for short consonants, and 'p', 't', 'k' and 'pp', 'tt', 'kk' are used for long consonants.
In the International Phonetic Alphabet, long consonants are normally written using the triangular colon ː, e.g., penne [penːe] ('feathers', 'pens', also a kind of pasta), though doubled letters are also used (especially for underlying phonemic forms).
- Catalan uses the raised dot (called an "interpunct") to distinguish a geminated l from a palatal ll.
Thus, paral·lel ("parallel") and Llull .
- In Hungarian, digraphs (e.g. sz /s/) are geminated by doubling the first letter only, thus ssz (rather than szsz) /sː/. (For a complete list of Hungarian digraphs, see Hungarian orthography.)
- The only digraph in Ganda, ny /ɲ/ is doubled in the same way: nny /ɲː/.
- In Italian, geminated instances of the sound cluster [kw] (represented by the digraph qu) are always indicated by writing cq, except in the word soqquadro and beqquadro, where the letter Q is doubled. The gemination of sounds [ɲ], [ʃ] and [ʎ], (spelled gn, sc(i), and gl(i), respectively) is not indicated because these consonants are always geminated when occurring between vowels. Also the sounds [ts], [dz] (both spelled z) are always geminated when occurring between vowels, yet their gemination is sometimes shown, redundantly, by doubling the Z as, e.g., in pizza [ˈpitsːa].
- In Swedish and Norwegian, the general rule is that a geminated consonant is written double, unless succeeded by another consonant. Hence hall ("hall"), but halt ("Halt!"). In Swedish, this does not apply to morphological changes (so kall, "cold" and kallt, "coldly" or compounds [so tunnbröd ("flatbread")]. The exception are some words ending in -m, thus hem ["home"] [but hemma ("at home")] and stam ["stem"], but lamm ["lamb", to distinguish the word from lam ("lame")], with a long /a/), as well as adjectives in -nn, so tunn, "thin" but tunt, "thinly" (whilst Norwegian has a rule always prohibiting two "m"s at the end of a word (with the exception being only a handful of proper names, and as a rule forms with suffixes reinsert the second "m", and the rule is that these word-final "m"s always cause the preceding vowel sound to be short (despite the spelling)).
Other representations of double letters
Doubled orthographic consonants do not always indicate a long phonetic consonant.
- In English, for example, the [n] sound of "running" is not lengthened. Consonant digraphs are used in English to indicate the preceding vowel is a short (lax) vowel, while a single letter often allows a long (tense) vowel to occur. For example, "tapping" /tæpɪŋ/ (from "tap") has a "short A" /æ/, which is distinct from the diphthong "long A" /eɪ/ in "taping" /teɪpɪŋ/ (from "tape").
- In Standard Modern Greek, doubled orthographic consonants have no phonetic significance at all.
- Hangul (the Korean alphabet) and its romanizations also use double consonants, but to indicate "fortis" articulation, not gemination.
- Syntactic gemination
- West Germanic gemination
- Glottal stop
- Length (phonetics)
- List of phonetic topics
- Fougeron, Cécile; Kühnert, Barbara; D'Imperio, Mariapaola; et al., eds. (2010). Laboratory Phonology 10. Tenth Conference of Laboratory Phonology (Paris). Berlin/New York: Walter de Gruyter GmbH. p. 67. ISBN 978-3-11-022490-0. Retrieved December 19, 2015.
- Crystal, David (2003). The Cambridge Encyclopedia of the English Language Second Edition, Cambridge University Press, p. 335
- "Raddoppiamenti di vocali e di consonanti". Dizionario italiano d'ortografia e pronunzia (DOP). RAI. 2009. Retrieved November 11, 2009.
- Kawahara, Shigeto (2006), "A Faithfulness ranking projected from a perceptibility scale: The case of [+ Voice] in Japanese", Language, 82 (3): 536–574, doi:10.1353/lan.2006.0146, p. 538
- Inkelas, Sharon (2014). The Interplay of Morphology and Phonology. Oxford Surveys in Syntax & Morphology. Oxford University Press. p. 10. ISBN 9780199280476.
- Savko, I. E. (2007). "10.3. Произношение сочетаний согласных". Весь школьный курс русского языка (in Russian). Sovremennyy literator. p. 768. ISBN 978-5-17-035009-4. Retrieved 2009-02-13.