1. sica — de Vaan
sica 'dagger' [f. a] (Enn>) Derivatives: slcarius 'assassin' (Cic.+); sicilis [f] 'sickle' (Enn>), sicTlicula 'small sickle' (PL), sicTlire 'to go over with a sickle' (Varro+), smtimenta, -drum 'sickle-cuttings' (Cato+). siccus There is no way to connect sic- 'dagger, sickle' with the root sec- 'to cut', nor is there an alternative etymology. The noun may well be a loanword. Bibl.: WH Π: 533, EM 623, IEW 895f. t … — [de Vaan, s.v. sica, p. 575]