σαίρειν

From LSJ

οὐκ ἔστι σιγᾶν αἰσχρόν, ἀλλ' εἰκῆ λαλεῖν → keeping silence is not shameful; speaking at random is (Menander)

Source

Greek > English (Woodhouse Verbs Reversed)

(see also σαίρω): sweep, grin as a dog, sweep away