The Universal Atlas of Phonetic Evolution
Back to Matrix [i] → [uo] Edit this Data

[uo]→[i]Certainty: 1/5Commonality: 1/5

Diphthong uo to Close front unrounded vowel

Monophthongization of the diphthong [uo] to the close front unrounded vowel [i] through vowel merger and raising. This shift occurs in various Sino-Tibetan and Romance languages, representing a pathway toward high vowel targets in diphthong reduction.

Phonetic Effects

Monophthongization, Raising, Fronting

Language Examples

[uo]→[i]— In Wu Chinese dialects, the diphthong [uo] monophthongizes to close front vowel [i] in certain phonological contexts.
[uo]→[i]— In some Romance dialects, [uo] reduces to high vowel [i] in rapid speech, particularly before certain consonants.

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