ἐπιφθέγγεσθαι

From LSJ

εὖ γ᾽ εὖ γε ποιήσαντες ὦ Διοσκόρω → well done, well done, you twin Dioscuri!

Source

Greek > English (Woodhouse Verbs Reversed)

(see also ἐπιφθέγγομαι): sound of a trumpet