-kshən noun
( -s )
Etymology: Latin provect us + English -ion
1. : consonant shift
2.
a. : a phonetic change in Celtic languages whereby in contact with other consonants (as homorganic sonants) fricatives become the corresponding homorganic stops and voiced stops become voiceless
b. : a mutation in some Celtic languages (as Breton and Cornish) whereby a voiced consonant becomes unvoiced
3. : the carrying forward of a final sound or letter to a following word (as in a nickname for an ekename )