αἴθρη,ἡ, Hom. and Ar. ll.cc.: laterαἴθρα, Antiph. 52.14 , etc.:—
A. clear sky, ποίησον δ' αἴθρην
Il. 17.646
; ἀλλὰ μάλ' αἴθρη πέπταται ἀνέφελος
Od. 6.44
, cf. Ar. Av. 778 (lyr.), Lyc. 700 , AP 6.179 ( Arch. ), etc.
II. air, as an element, Orac.Chald. 169 .