from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. epenthesis of a vowel – insertion of a vowel. For example, the middle ‘-a-’ in thataway, or use of infixes -i- and -o- in coining English words on classical roots.
from The Century Dictionary and Cyclopedia
- n. In phonetics, the involuntary utterance of an auxiliary vowel, especially before r, l, m, and n, in certain positions, as in lucre, able, chasm, etc.
From Ancient Greek ἀνάπτυξις. (Wiktionary)