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
SourceFrench (Bailly abrégé)
ao.2 épq. de λανθάνω.
Russian (Dvoretsky)
λέλαθον: эп. aor. 2 к λανθάνω.
