ἀνταπαιτεῖν

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

Greek > English (Woodhouse Verbs Reversed)

(see also ἀνταπαιτέω): ask for in return

Lexicon Thucydideum

vicissim repetere, to demand in return, 3.58.1, 5.17.2.