λύπης ἰατρός ἐστιν ὁ χρηστὸς φίλος → a true friend is grief's physician, a worthy friend is a physician to your pain
subs.
Summons: use Ar. and P. κλῆσις, ἡ.
v. trans.
Use Ar. and P. καλεῖν, κλητεύειν, P. ἀνακαλεῖν.