Definition of "epenthetic"

epenthetic

/ˌɛpənˈθɛtɪk/

adjective
not comparable
1. (phonology, phonetics) Of or pertaining to epenthesis.
  Quotations
  “I’ve added a little vowel between the t and the r,” Baron says. “It elongates the word, it adds an extra syllable to the word, it emphasizes the word. There’s a name for this: epenthetic vowel.”
  2015 December 7, Julie Beck, “The Linguistics of 'YouTube Voice'”, in The Atlantic‎
2. (phonology, of a phoneme or syllable) Inserted into a word.