[y]→[u]Certainty: 4/5Commonality: 2/5
Close front rounded vowel to Close back rounded vowel
The shift from [y] to [u] is a process of backing, where a front rounded vowel moves to the back of the mouth while retaining its rounding. This is rarer than fronting (u -> y) but documented in specific Finnic and Scandinavian contexts.
Phonetic Effects
Vowel Backing
Language Examples
Related Transformations
More Backing Shifts
Sources & References
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