hold one's peace

From LSJ

τὸν ἰητρὸν δοκέει μοι ἄριστον εἶναι πρόνοιαν ἐπιτηδεύειν → it appears to me a most excellent thing for the physician to cultivate prognosis

Source

English > Greek (Woodhouse Extra)

σιγᾶν, σιωπᾶν