- Phonet. a change which involves the insertion of an unhistoric sound or letter in a word, as the b in mumble or the extra syllable in the pronunciation (a?? l?t) for athlete
- the inserted sound or letter
Origin of epenthesisLate Latin from Classical Greek from epi-, upon + en-, in + thesis, a placing: see thesis
Origin of epenthesisLate Latin from Greek from epentithenai to insert ep-, epi- epi- en- in ; see en- 2. tithenai to place ; see dhē- in Indo-European roots.
Middle of 16th century: via Late Latin, from Ancient Greek ἐπένθεσις (epenthesis), from ἐπεντίθημι (epentithēmi, “I insert”), from ἐπί (epi) + ἐντίθημι (entithēmi, “I put in”), from ἐν (en, “in”) + τίθημι (tithēmi, “I put, place”).