ἐκλόγισις
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)
εως, ἡ,
A computation, reckoning, Epicur.Sent. 18.
Spanish (DGE)
-εως, ἡ consideración τούτων αὐτῶν Epicur.Sent.[5] 18.