ἐφηβᾶν

From LSJ

ἐκ τῆς θαλάττης ἅπασα ὑμῖν ἤρτηται σωτηρίαyour safety altogether depends upon the sea

Source

Greek > English (Woodhouse Verbs Reversed)

be adolescent, come of age, have reached manhood (see also: ἐφηβῶ, ἐφηβάω)