Definition of "anaptyxis" []

• 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. (noun)

Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License

• "I might also be interested to find out that vowel insertion is widespread enough in the world's languages to have a name, epenthesis also called anaptyxis."
• "The extra vowel use has a word for itself, anaptyxis."