Abbott-Smith Manual Greek Lexicon
ἐκ-κοπή (G1581)
10 ** ἐκ-κοπή , -ῆς, ἡ [in Aq.: Is 51:1 * ;] in T for ἐνκοπή (q.v.): I Co 9:12 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain
Strong's G1581 · Greek
ἐκκόπτω
ekkopto · ek-kop'-to
from 1537 and 2875; to exscind; figuratively, to frustrate