σφοδρύνω
From LSJ
πάντες γὰρ οἱ λαβόντες μάχαιραν ἐν μαχαίρῃ ἀπολοῦνται → all they that take the sword shall perish with the sword
English (LSJ)
A make vehement, intensify, Ph.1.355, Porph.in Harm.p.238W.:—Pass., to be or become so, σφοδρύνει γ' ἀσθενεῖ σοφίσματι thou puttest overweening trust in . ., A.Pr.1011; ποιότητες σφοδρυνόμεναι, opp. μαραινόμεναι, Plu.2.732c; νόσοι οὐκ ἄγαν σφοδρυνθεῖσαι Gal.19.563, cf. 17(1).207; πόνος (pain) σφοδρυνόμενος Sor.2.21: also in aor. Med., Poll.4.25. II intr. in Act . . ἄνεμος -ύνει Alex.Aphr.Pr.1.73.