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|*Ē2haz / *Ē2waz||Ēoh|
|IPA||[æː]?||[iː]?, [x ~ ç]|
The rune survives in the Anglo-Saxon futhorc as ᛇ Ēoh "yew" (note that eoh "horse" has a short diphthong). Ēoh could behave as both a vowel (perhaps /iː/), and as a consonant (in the range of /x ~ ç/). As a vowel, Ēoh shows up in jïslheard (ᛡᛇᛋᛚᚻᛠᚱᛞ) on the Dover Stone. As a consonant, Ēoh shows up in almeïttig (ᚪᛚᛗᛖᛇᛏᛏᛁᚷ) on the Ruthwell Cross.
It is commonly transliterated as ï. Although seemingly redundant in extant inscriptions, it is theorized that the rune may have originally stood for a long vowel somewhere around [æː], continuing Proto-Indo-European language *ei. Another theory postulates the rune was originally a bindrune of ᛁ and ᛃ, having the value of /ji/ and /ij/.
Two variants of the word are reconstructed for Proto-Germanic, *īhaz (*ē2haz, PIE *eikos), continued in Old English as ēoh (also īh), and *īwaz (*ē2waz, Proto-Indo-European *eiwos), continued in Old English as īw (whence yew). The latter is possibly an early loan from the Celtic, compare Gaulish ivos, Breton ivin, Welsh ywen, Old Irish ēo. The common spelling of the rune's name, "Eihwaz", combines the two variants; strictly based on the Old English evidence, a spelling "Eihaz" would be more proper.
The Anglo-Saxon rune poem:
- ᛇ Eoh byþ utan unsmeþe treoƿ,
- heard hrusan fæst, hyrde fyres,
- ƿyrtrumun underƿreþyd, ƿyn on eþle.
- The yew is a tree with rough bark,
- hard and fast in the earth, supported by its roots,
- a guardian of flame and a joy upon an estate.
The rune is not to be confused with the Sowilo rune, which has a somewhat similar shape, or with Ehwaz, the rune expressing short e or ē1. In the Younger Futhark, there is the terminal -R rune ᛦ Yr "yew", but neither its shape nor its sound is related to the Eihwaz rune: it is, rather, a continuation of Algiz.