κατεύχομαι
τραχὺς ἐντεῦθεν μελάμπυγός τε τοῖς ἐχθροῖς ἅπασιν → he is a tough black-arse towards his enemies, he is a veritable Heracles towards his enemies
English (LSJ)
fut. -εύξομαι E.IA1186:—
A pray earnestly, c. inf., τοῖσι Πέρσῃσι κατεύχεται εὖ γίνεσθαι Hdt.1.132; τί σοι κατεύξῃ τἀγαθόν (sc. γενέσθαι); E.l.c. 2 c.acc. et inf., A.Ch.139, Eu.922 (lyr.), S.OC1575 (lyr.); κ. τινί pray to one, A.Ch.88, E.Andr.1105; κ. τῇ θεῷ ἀπάξειν Ath.13.573e; κ. τινά c. inf., entreat a person to... Theoc. 2.71. 3 abs., make a prayer or vow, Hdt.2.40, 4.172, A.Ag.1250, S.Tr.764, etc. 4 c. gen., pray over, τῶν ἱερῶν IG7.235.25 (Oropus, iv B.C.). II in bad sense, 1 c. gen. pers., pray against one, imprecate curses on one, τινῶν πρὸς τὸν θεόν Pl.R.393a: c. acc. rei, οἵας ἀρᾶται καὶ κ. τύχας A.Th.633, cf. S.Aj.392; πολλὰ καὶ δεινὰ καθ' αὑτῶν Plu.Num.12. 2 c. acc. et inf., τὸν δεδρακότα κακῶς . . ἐκτρῖψαι βίον S.OT246; κ. τεῖσαι τοὺς Ἀχαιοὺς τὰ ἃ δάκρυα Pl.R. 394a. 3 abs., μηδὲν κατεύχου E.IT536, cf. Pl.Lg.934e. III boast, c. fut. inf., Theoc. 1.97.