ἠκηκόειν

From LSJ

τοῦ δὲ πολέμου οἱ καιροὶ οὐ μενετοί → in war, opportunities won't wait | the chances of war will not wait (Thucydides 1.142.2)

Source

French (Bailly abrégé)

v. ἀκούω.

Greek Monotonic

ἠκηκόειν: υπερσ. του ἀκούω.