Dictionary entry

κοπετός

G. Abbott-Smith's A Manual Greek Lexicon of the New Testament

κοπετός, -οῦ, ὁ

(< κόπτω, mid.), [in LXX chiefly for מִסְפֵּד;]

= cl. κομμός, a beating of the head and breast, lamentation: seq. ἐπί c. dat. pers., Ac 8:2.†