Abbott-Smith Manual Greek Lexicon
δρέπανον (G1407)
8 δρέπανον , -ου, τό (later form of Attic δρεπάνη , δρέπω , to pluck ), [in LXX for מַזְמֵרָה , חֶרְמֵשׁ , etc. ;] a sickle, pruning-hook ; Mk 4:29 , Re 14:14-19 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain