The Universal Atlas of Phonetic Evolution
Back to Matrix [u] → [oi] Edit this Data

[oi]→[u]Certainty: 5/5Commonality: 4/5

Diphthong oi to Close back rounded vowel

Monophthongization of 'oi' to 'u' involves the simplification of a rounded diphthong into a high back vowel.

Phonetic Effects

Monophthongization, Raising

Language Examples

Archaic Latin OE / OI→Classical Latin U— Latin diphthongal 'oe/oi' simplified to 'u' in Classical Latin. E.g., archaic 'oinos' > classical 'unus'.

Related Transformations

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