> I read so many times things like "this combination of sounds changes
because it is hard to >say," without any explanation as to how such a
combination would arise in the first place. I >can understand it when it
comes with compound words, or with two words pronounced >consecutively, but
how about otherwise?
Endings, suffixes, prefixes, morphological changes, vowel ablaut, vowel
reduction to zero, and so on.
Peter