ἀβλαβία
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)
ἡ, poet. for
A ἀβλάβεια 11, ἀβλαβίῃσι νόοιο h.Merc.393; Ἀβλαβίαι personified, SIG1014.67 (Erythrae); sg. in later Prose, Phld.Piet.28.