κατακρημν-ίζω · katakrēmn-izō — LSJ
throw down a precipice, ἑαυτούς Phld. Ir. p.56 W., cf. Plu. Mar. 45, Plu. Praec. 2.825b, Ev.Luc. 4.29: with a word added, ἀπὸ τοῦ ἄκρου τοῦ κρημνοῦ LXX 2 Ch. 25.12:—Pass., D. 19.327, Plu. Sull. 1, etc.: pf. part., having fallen over a precipice, X. Cyr. 8.3.41.
generally, throw headlong down, ἐκ τριηρέων X. HG 2.1.31; ἀπὸ τῶν ἵππων Plb. 3.116.12; ἀπὸ τοῦ πύργου D.S. 4.31:—Pass., X. Cyr. 1.4.7.