ξυστάς

From LSJ

ἢ λέγε τι σιγῆς κρεῖττον ἢ σιγὴν ἔχε → either say something better than silence or keep silence (Menander)

Source

Greek Monolingual

ξυστάς, -άδος, ἡ (Α)
βλ. συστάδα.