περισχίζω
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 slit and tear off, ἐσθῆτα Plu.Cic.36, Luc.DMeretr.8.1 ; κιτῶνα BGU22.16 (ii A. D.); slit open, Arist.HA550a30 :—Pass., π. τῷ μετώπῳ κόμη Poll.2.25. II Pass., of a river, περισχίζεσθαι τὸν χῶρον to split round a piece of land, i.e. divide into two branches and surround it, Hdt.9.51 ; π. περὶ τὸ χωρίον Plb.3.42.7, etc.: abs., of a stream of men, part and go different ways, περιεσχίζοντο ἔνθεν καὶ ἔνθεν Pl.Prt. 315b ; of light, αὐγὴ πολλαχοῦ π. Plu.2.407e, cf. Thphr.Ign.52 ; of sound, Sch.Poll.2.116. III strip of all his clothes, τινα Arr.Epict.1.25.30.