Etymograph > Indo-European > Old English > Phoneme

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

Related rules

Origin

  • post-pwgmc-monosyllabic-z: aiz > ā / C_, iz > ē / C_, uz > ū / C_
  • pnwgmc-word-final-long-o: ō > ū / _#
  • pwgmc-jj-ww: uww > ūw / _!j, ww > uw / _!j, j > i / _j