ἐπαίρεσθαι
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
Greek > English (Woodhouse Verbs Reversed)
(see also ἐπαίρω): be agitated, be excited, be in suspense, be on tenterhooks, be on the tiptoe of excitement, be on the tip-toe of excitement