מָכַר

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

Source

English (Strong)

a primitive root; to sell, literally (as merchandise, a daughter in marriage, into slavery), or figuratively (to surrender): X at all, sell (away, -er, self).