The Universal Atlas of Phonetic Evolution
Back to Matrix [p] → [y] Edit this Data

[y]→[p]Certainty: 4/5Commonality: 1/5

Close front rounded vowel to Voiceless bilabial plosive

The transformation of the high front rounded vowel [y] (or its related labialized glides) into the voiceless bilabial stop [p] is a rare form of fortition and labialization, documented in specific language developments where vowels harden into consonants.

Phonetic Effects

Fortition, Labialization, Consonantalization

Language Examples

Historical [y/uo]→[p/b]— Regular shift where historical rounded vowels or labialized glides fortified into bilabial stops (e.g., Bats 'eb lar' corresponding to Chechen stems).

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