ὅπλισθεν

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

French (Bailly abrégé)

3ᵉ pl. épq. ao. Pass. de ὁπλίζω.