LSJδῠ́σ-οπτοςGlosshard to detectδῠ́σ-οπτος,ον, (ὄψομαι)A. hard to detect, Gal. Anim.Pass. 2.3 ;τὸ δ. τῆς ἡμέρας gloominess, Plb. 18.21.2 .ReferencesGal. Anim.Pass. 2.3Plb. 18.21.2