[ə]→[y]Certainty: 3/5Commonality: 1/5

Mid central vowel to Close front rounded vowel

The shift of a neutral, central vowel toward a high front rounded position is a type of fronting and raising, often driven by assimilation to surrounding sounds or specific dialectal developments.

Phonetic Effects

Fronting, Raising, Vowel Mutation

Language Examples

Mandarin (Xining) Sino-Tibetan

[ə]→[y]— A neutral vowel can shift to [y] through assimilation in certain environments

Old English Germanic

[ə]→[y]— Weak vowel raising in certain unstressed environments (Rosa's Law equivalent)

Related Transformations

Reverse Unrounded equivalent

More Raising Shifts

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

Sources & References

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