τους φίλους λόγων τέχναιν επαίδευσας → Using 2 artifices, you educated (taught) those who love rhetoric.
adv.
P. and V. ἄφνω, ἐξαίφνης, P. ἐξαπιναίως, αἰφνιδίως, Ar. and P. ἐξαπίνης.
Unexpectedly: P. ἐξ ἀπροσδοκήτου, V. ἀέλπτως; see unexpectedly.
