ἐγκοπή

A. incision, Gal. 7.38; fracture of skull, Sor. Fract. 3, cf. Heliod. ap. Orib. 46.12.1.

2. steps cut in the wall of wells, etc., Ael.Dion. Fr. 90.

II. hindrance, οἴησις προκοπῆς ἐ. Heraclit. 131, cf. Phld. D. 3.6, 1 Ep.Cor. 9.12, Vett. Val.2.7 (pl.); material obstacle, D.S. 1.32; interruption, check, τῆς ἁρμονίας D.H. Comp. 22; τοῦ λόγου Aristid. Rh. 2p.514S., cf. Iamb. Protr. 21; κατ’ ἐγκοπάς disjointedly, Longin. 41.3.