ἐκ-ρήγνῡμι · ek-rēgnymi — LSJ
break off, snap asunder, νευρὴν δʼ ἐξέρρηξε νεόστροφον Il. 15.469: c. gen., ὕδωρ ἐξέρρηξεν ὁδοῖο the water broke off a piece of the road, 23.421:—Pass., break, snap asunder, of bows, εἰ τὸν πάντα χρόνον ἐντεταμένα εἴη, ἐκραγείη ἂν [τὰ τόξα] Hdt. 2.173; of clothes, to be rent asunder, cj. in Chaerem. 14.9.
c. acc. cogn., let break forth, break out with, νεφέλη ὄμβρον ἐκρήξει Plu. Fab. 12; ἐ. ὀργήν Luc. Cal. 23 :—Pass., break out, of an ulcer, Hdt. 3.133; burst, of an abscess, Hp. Aph. 4.82; ἔνθεν ἐκραγήσονται.. ποταμοὶ πυρός A. Pr. 369; of a quarrel, ἐξερράγη ἐς τὸ μέσον broke out in public, Hdt. 8.74; of persons, break out into passionate words, ἐκραγῆναι ἔς τινα Id. 6.129, cf. Th. 8.84 : pf. ἐξερρωγέναι throw aside restraint, become dissolute, Procop. Arc. 1.
sts. intr. in Act., οὔ ποτʼ ἐκρήξει μάχη S. l.c.; ἐκρήξας ἄνεμος Arist. Mete. 366b32 : pf. part. ἐξερρωγώς precipitous, ὄρη J. AJ 14.15.5.