Definition of epenthetic in English:

epenthetic

adjective

See epenthesis

‘An epenthetic vowel can be added to break up a consonant cluster.’
‘Sicilian, phonetically characterized by the presence of retroflexed consonants, not only keeps all the vowel sounds clear and loud but introduces an epenthetic [i] in some consonantic groups.’

Pronunciation

epenthetic

/ɛpɛnˈθɛtɪk/