epenthesis
n.,
pl. 3ses# 73scz#8 5LL < Gr < epi3, upon + en3, in + thesis, a placing: see THESIS6
1 Phonet. a change which involves the insertion of an unhistoric sound or letter in a word, as the b in mumble or the extra syllable in the pronunciation (a0Z![lctE) for athlete
2 the inserted sound or letter
ep[en[thet[ic 7ep#en 0et4ik8
adj.