epenthetic

Etymology

From Ancient Greek ἐπενθετικός (epenthetikós, “inserted”).

adj

1. (phonology, phonetics) Of or pertaining to epenthesis.
   “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.” 2015-12-07, Julie Beck, “The Linguistics of 'YouTube Voice'”, in The Atlantic
2. (phonology, of a phoneme or syllable) Inserted into a word.