Etymograph > Indo-European > Proto-Germanic > Phoneme

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

Related rules

Development: Proto-Northwest Germanic

  • pnwgmc-word-final-long-o: ō > ū / _#

    • Development: Proto-West Germanic

  • pnwgmc-word-final-long-o: ō > ū / _#
  • pwgmc-jj-ww: uww > ūw / _!j, ww > uw / _!j, j > i / _j

    • Development: Old English

  • pnwgmc-word-final-long-o: ō > ū / _#
  • pwgmc-jj-ww: uww > ūw / _!j, ww > uw / _!j, j > i / _j
  • post-pwgmc-monosyllabic-z: aiz > ā / C_, iz > ē / C_, uz > ū / C_
    • Generated by yole/etymograph on Tue Oct 28 2025