λακτίζω · laktizō — LSJ
kick with the heel or foot, λ. ποσὶ γαῖαν, of a defeated boxer, Od. 18.99, cf. 22.88; φλὸξ αἰθέρα λακτίζοισα καπνῷ flames lashing heaven with smoke, Pi. I. 4(3).66; κραδία δὲ φόβῳ φρένα λακτίζει my heart ‘knocks at my ribs’ for fear, A. Pr. 881 (anap.); [ἔρως] λ. κραδίην AP 12.16 (Strat.); τὸν πεσόντα λακτίσαι trample on the fallen, A. Ag. 885; λ. βωμὸν εἰς ἀφάνειαν trample on the altar so as utterly to destroy it, ib. 383 (lyr.); τὴν θύραν λ. kick at the door, Ar. l.c.; λ. ἀλλήλους Pl. R. 586b;
abs., kick, struggle, Batr. 90; of horses, X. Eq. Mag. 1.4: freq. in prov. λ. ποτὶ κέντρον, πρὸς κέντρα, kick against the pricks, Pi. P. 2.95, A. Ag. 1624, E. Ba. 795, Act.Ap. 26.14, etc.; so πρὸς κῦμα λ. E. IT 1396.