κατα-σχίζω · kata-schizō — LSJ
cleave asunder, split, slit, Ar. V. 239, cj. in Hp. Mochl. 36 (Pass.); κ. τὰς πύλας, τὰς θύρας, burst them open, X. l.c., D. 21.79; tear, τοὺς χιτωνίσκους Phld. Ir. p.39 W.: —Med., κατεσχίσω τὸ ῥάκος Ar. Ra. 405 (lyr.):—Pass., of nerves or veins, branch, Gal. 2.390, 8.65; of leaves, Dsc. 2.130.