ἔκρηγμα · ekrēgma — LSJ
piece torn off, ἐκρήγματα τρυχίων Hp. Art. 78.
broken bed of a torrent, ravine, Plb. 12.20.4.
breaking forth of a stream, ὑδάτων Thphr. CP 1.5.2.
sluice, PEdgar 30.16 (ἔγρ-, iii B.C.), PSI 5.488 (ἔχρ-, iii B.C.); cf. ἔκχρημα.
eruption, bedsore, Hp. Epid. 7.7 (pl.).