The headword, evidently extracted from somewhere, is an adjective in the in the nominative (and vocative) plural; cf. sigma 1770, sigma 1771, sigma 1773, sigma 1774, sigma 1775, sigma 1777, sigma 1778, and see generally LSJ s.v. sxe/dios.
[1] The gloss is a two-ending adjective in masculine and feminine nominative/vocative/ accusative plural; cf. alpha 189 (gloss), beta 342 (gloss), kappa 2780 (end), mu 1188 (gloss), tau 267 (end), and see generally LSJ s.v. eu)telh/s (easily paid for, cheap, paltry, worthless). Identical glossing in other lexica, chiefly: Hesychius sigma2963; Synagoge sigma424; Photius sigma896 Theodoridis.