[e]→[a]Certainty: 4/5Commonality: 3/5

Lowering Backing Vowel harmony Chukotko-Kamchatkan Germanic

Close-mid front unrounded vowel to Open front unrounded vowel

The vowel [e] shifts to [a] through lowering and backing, a vowel shift pattern attested in various language families. In Chukchi-Kamchatkan languages, this represents a synchronic vowel harmony alternation where mid front vowel /e₂/ alternates with low back vowel /a/ depending on the presence of 'dominant' vowels (back/lower vowels) in the word.

Phonetic Effects

Lowering, Backing, Vowel Harmony

Language Examples

Chukchi Chukotko-Kamchatkan

/e₂/ (recessive)→[a] (in dominant vowel context)— Chukchi vowel harmony: 'recessive' vowel /e₂/ lowers and backs to [a] when a 'dominant' vowel (back or lower vowels /a, o, e₂/ or /u/) appears in the word. Height-based harmony system where dominants override recessives. This is a synchronic process, not historical change, maintaining allophonic variation within paradigms.

Old English Germanic

[e:]→[a]— Historical lowering of long mid front vowels in certain phonological environments.

Related Transformations

Inverse: Raising

More Backing Shifts

[ã] → [õ] — Raising [a] → [ã] — Assimilatory Nasalization [a] → [∅] — Elision [a] → [ʔ] — Glottalization [a] → [ə] — Vowel Reduction

Sources & References

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