Page "Verner's law" Paragraph 0

Verner's law, stated by Karl Verner in 1875, describes a historical sound change in the Proto-Germanic language whereby voiceless fricatives * f, * þ, * s, * h, * hʷ, when immediately following an unstressed syllable in the same word, underwent voicing and became respectively the fricatives * b, * d, * z, * g, * gʷ.