Etymograph > Indo-European > Proto-West Germanic

β

Classes: voiced bilabial fricative consonant
Implicit classes: obstruent C
Features: +voice labial -sonorant +continuant -strident

Related rules

Origin

pwgmc-gemination-by-j: β > bb / _j, C > CC / _j

Development: Old English

oe-bilabial-fricative-devoicing: β > f