αμφιδήριτος

From LSJ

λύπης ἰατρός ἐστιν ὁ χρηστὸς φίλος → a true friend is grief's physician, a worthy friend is a physician to your pain

Source

Greek Monolingual

ἀμφιδήριτος, -ον (Α) ἀμφιδηριῶμαι
αμφίβολος, διαφιλονικούμενος.