caeruleancentaur wrote: >David Crystal, "A Dictionary of Linguistics and Phonetics": > >"mutation - a term used in linguistics, especially historical >linguistics, to refer to the change in a sound's quality owing to the >influence of sounds in adjacent morphemes or words. For example, in >the period when Old English was developing the influence of an /i/ >vowel in certain circumstances caused other vowels to 'mutate' in the >direction of the close vowel, e.g, *foti became feet. The term is >also occasionally used in synchronic contexts, as in the mutation of >various initial consonants in Welsh after certain words, e.g., >pen 'head -> fy mhen 'my head.'" > >Me: This "Welsh" type of mutation is called lenition, the change of a >strong sound to a weaker sound. It is found in Senyecan to avoid >unpleasant consonant clusters, e.g., ápa (father) + váárun >(brother) >= afváárun (uncle) to avoid the forbidden stop + fricative (pv). > > Actually, Welsh has three types of mutation - soft, aspirate, and nasal. The only one that is normally called lenition is the first.