τορύνειν

From LSJ

σιγᾶν ἄμεινον ἢ λαλεῖν ἃ μὴ πρέπει → it's better to keep silence than to say what's not appropriate (Menander)

Source

Greek > English (Woodhouse Verbs Reversed)

stir with a spoon (see also: τορύνω)