ἀκαλλής
From LSJ
εἰ ἀποκρυπτόντων τῶν Μήδων τὸν ἥλιον ὑπὸ σκιῇ ἔσοιτο πρὸς αὐτοὺς ἡ μάχη καὶ οὐκ ἐν ἡλίῳ → if the Medes hid the sun, the battle would be to them in the shade and not in the sun
English (LSJ)
ές,
A without charms, γυνή Hp.Ep.15; σῶμα Luc.Hist. Conscr.48; γῆ αὐχμηρὰ καὶ ἀ. (v.l. ἀκαμής) Id.Prom.14; [ὕλη] ἀ. καὶ αἰσχρά Procl. in Alc.p.326 C.: Comp., Olymp. in Grg. p.243J.
