Anaptyxis
Origin
From Ancient Greek ἀνάπτυξις.
Full definition of anaptyxis
Noun
anaptyxis
(plural anaptyxes)- (phonetics) 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.