ἀνέφελος
From LSJ
διφθέραι σταδιαῖαι τοῖς μεγέθεσιν → hides a stade in size, hides fastened together so as to cover a place an entire stadium in extent
English (LSJ)
ον,
A unclouded, cloudless, αἴθήρ Od.6.45; ἀήρ Arist.Mu. 394a23; νύξ Plu.Arat.21, etc.: metaph., not to be veiled or hidden, κακόν S.El.1246 (lyr.). (ἀνν. is v.l. in Arat.415, etc.; Eust.945.4 has also the form ἀνεφής, ές.)
German (Pape)
[Seite 227] unbewölkt, wolkenleer, αἴθρη Od. 6, 45; übertr., unverhüllt, offen, κακόν Soph. El. 1258; νύξ Plut. Arat. 21. [Ep. α].