http://wikiless.i2p/wiki/Old_Norse_language?lang=en
Compare ON orð , úlfr , ár with English word, wolf, year . In inflections, this manifested as the dropping of the inflectional vowels. Thus, klæði + dat -i remains klæði , and sjáum in Icelandic progressed to sjǫ́um > sjǫ́m > sjám . [ 45 ] The * jj and * ww of Proto-Germanic became ggj and ggv respectively in Old Norse, a change known as Holtzmann's law . [ 6 ] Epenthesis [ edit ] An epenthetic vowel became popular by 1200 in Old Danish, 1250 in...