βιαιομαχέω
From LSJ
ζῆν οὐκ ἄξιος, ὅτῳ μηδὲ εἷς ἐστι χρηστὸς φίλος → life is not worth living if you do not have at least one friend
English (LSJ)
A fight at close quarters, of ships, opp. ταχυναυτεῖν, Plb.1.27.12: generally, Id.5.84.2, Phld.Rh.1.195 S.
German (Pape)
[Seite 444] mit Gewalt streiten, Pol. 1, 27. 5, 84.
Greek (Liddell-Scott)
βιαιομᾰχέω: ὁ βιαίως, ἀνδρείως (οὐχὶ κρυφίως ἀλλὰ φανερῶς), Πολύβ. 1. 27, 12.