Etymograph : Proto-West Germanic : Phoneme

Etymograph > Indo-European > Proto-West Germanic > Phoneme

Graphemes: ū
Classes: long back close vowel
Implicit classes: vocalic
Features +long +back +high -low +syllabic +voice

pwgmc-jj-ww: uww > ūw / _!j, ww > uw / _!j, j > i / _j