προκόπτειν

From LSJ

κῶς ταῦτα βασιλέϊ ἐκχρήσει περιυβρίσθαι → how will it be good enough for the king to be insulted with these things

Source

Greek > English (Woodhouse Verbs Reversed)

(see also προκόπτω): advance, improve, gain ground, make headway

Lexicon Thucydideum

promovere, to move forward, advance, 4.60.2, 7.56.3.