ἐπανέρχεσθαι
From LSJ
λύπης ἰατρός ἐστιν ὁ χρηστὸς φίλος → a true friend is grief's physician, a worthy friend is a physician to your pain
Greek > English (Woodhouse Verbs Reversed)
(see also ἐπανέρχομαι): return, come back, go back to a point in a discussion, retrace one's steps, return to a subject