ἐρεβεννός

ή, όν, Adj.

Ἔρεβος

A. dark, gloomy, νύξ Il. 8.488, Hes. Op. 17, etc. ; ἀήρ Il. 5.864 ; νέφεα 22.309. (Never in Od. ; cf. ἐρεμνός.)
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project