ecthlipsis
From LSJ
Τούτῳ τῷ λόγῳ χρήσαιτο ἄν τις ἐπ' ἐκείνων τῶν ἀνθρώπων οἳ παραδόξως ἀλαζονεύονται, μηδὲ τὰ κοινὰ τοῖς ἀνθρώποις ἐπιτελεῖν δυνάμενοι → One would use this fable for those who give themselves unreasonable airs, but can't handle everyday life (Aesop 40)
Latin > English (Lewis & Short)
ecthlipsis: is, f., = ἔκθλιψις, gram. t. t.,
I ecthlipsis, the elision of a final m with its vowel before an initial vowel, Diom. 2, p. 436; Charis. 4, p. 249.
Latin > French (Gaffiot 2016)
ecthlipsis, is, f. (ἔκθλιψις), ecthlipse [élision d’une m finale] : Diom. 442, 25 ; Capel. 3, 267.