noun \i-ˈpen(t)-thə-səs, e-\
plural epen·the·ses\-ˌsēz\

Definition of EPENTHESIS

:  the insertion or development of a sound or letter in the body of a word (as \ə\ in \ˈa-thə-ˌlēt\ athlete)
ep·en·thet·ic \ˌe-pən-ˈthe-tik\ adjective


Late Latin, from Greek, from epentithenai to insert a letter, from epi- + entithenai to put in, from en- + tithenai to put — more at do
First Known Use: 1543


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