ἐκ-κρούω · ek-krouō — LSJ
knock out, παττάλους Ar. Fr. 402b; τι ἐκ τῶν χειρῶν X. Cyn. 10.12; for Ar. Fr. 270 (Med.), v. πύνδαξ :—Pass., BGU 1007.16 (iii B.C.).
metaph., ἡ μείζων κίνησις ἐ. τὴν ἐλάττω expels, Arist. Sens. 447a15; [ἡ ἡδίων ἐνέργεια] ἐ. τὴν ἑτέραν Id. EN 1175b8; ἐ. τὸν λογισμόν, τὴν λύπην, ib. 1119b10, 1154a27.
drive back, repulse, Th. 4.131, X. HG 7.4.16; ἀπὸ [λόφου] Th. 4.128 : metaph., ἐ. τινὰ ἐλπίδος to frustrate, cheat one of. ., Pl. Phdr. 228e; τῆς προαιρέσεως Plu. Sol. 14; ἵνα μὴ.. τοῦ παρόντος ἐμαυτὸν ἐκκρούσω D. 18.313 :—Pass., τὸν λογισμὸν ἐκκρουσθείς Plu. Pyrrh. 30.
hiss an actor off the stage, ἐβόων, ἐξέκρουόν με D. 19.23.
put off, adjourn by evasions, εἰς ὑστεραίαν τὴν.. γνώμην ib. 144; [τὴν δίκην] Id. 36.2, cf. 54.30; τοσαύτας τέχνας.. εὑρίσκων ἐκκρούει Id. 21.81; ἐ. τοὺς λόγους elude, Pl. Prt. 336c; ἐ. πρᾶγμα τῷ χρόνῳ ‘talk out’, Plu. Caes. 13 :—Pass., γραφῆς ἐκκρουομένης D. 45.4.
discharge, βέλη ἐκ μηχανῶν D.C. 75.11.
Math., subtract, κοινὸν ἐκκεκρούσθω τὸ ἀπὸ BZ let the square on BZ be subtracted from both, Papp. 946.16; cast out by division, Vett.Val. 20.20, 174.2; deduct, in Pass., PTeb. 189, 241 (i B.C.), etc.
Med., get rid of, βῆχα Plu. Garr. 2.515a.
intr., break forth, κέρατα τῶν κροτάφων ἐκκρούει Philostr. VA 1.19.