Ecthlipsis

·noun The dropping out or suppression from a word of a consonant, with or without a vowel.

II. Ecthlipsis ·noun The elision of a final m, with the preceding vowel, before a word beginning with a vowel.

ecthlipsis
ecthlipsis, is, f., = ἔκθλιψις, gram. t. t., ecthlipsis , the elision of a final m with its vowel b...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.