κοπεύς
From LSJ
Ὅρκον δὲ φεῦγε καὶ δικαίως κἀδίκως (κἂν δικαίως ὀμνύῃς) → Iurare fugias, vere, falso, haud interest → Zu schwören meide, gleich ob richtig oder falsch
English (LSJ)
έως, ὁ,
A one who brays or pounds, employed in oil-factories, PRev.Laws 45.5 (iii B. C.), cf. Agatharch.26; carpenter, PFlor.175.14 (iii A. D.): generally, one who cuts, τινος A.D.Synt.301.28. II chisel, D.S.1.35, Luc.Somn.13.