μαυρόω

A. = ἀμαυρόω, darken, blind: hence, make powerless, dub. in A. Eu. 358 (lyr.), cj. in Pi. I. 4(3).48.
2. metaph., make dim or obscure, ῥεῖα δέ μιν μαυροῦσι θεοί Hes. Op. 325:—Pass., become dim or obscure, Thgn. 192, A. Ag. 296.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project