πολλῶν ὁ καιρὸς γίγνεται διδάσκαλος → the critical moment will turn out to be the teacher of many things
v. intrans.
P. and V. ἐξέρχεσθαι.
Of a river: P. ἐξιέναι (ἐξίημι), ἐκβάλλειν.