zetacismWiktionary 原文构词拆分zeta词根/词干+-cism后缀Added to names of primarily Greek letters to indicate a phonetic phenomenon relating to the corresponding phoneme:词源说明From zeta + -cism (phenomenon related to a specific phoneme).释义（英文）名词 Noun(linguistics) A sound change converting a consonant into /z/, the voiced alveolar sibilant.(linguistics) The lack of a sound change in a language when languages in the same family undergo rhotacism.