τους φίλους λόγων τέχναιν επαίδευσας → Using 2 artifices, you educated (taught) those who love rhetoric.
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.