σιοκόρος
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)
ὁ, Lacon. for θεο-κόρος,= νεωκόρος (q.v.), Hsch.
German (Pape)
[Seite 883] ὁ, lakonisch statt θεοκόρος, = νεωκόρος, Hesych.