ἀφεγγής

A. without light, φῶς ἀ. a light that is no light (i. e. to the blind), S. OC 1549; νυκτὸς ἀφεγγὲς βλέφαρον, of the moon, E. Ph. 543; simply, dark, σπῆλυγξ Opp. C. 3.324; ὀμίχλη AP 9.675; δηϊοτής a night battle, Nonn. D. 24.165; Ἀΐδα . . τὸν ἀφεγγέα χῶρον Epigr.Gr. 372.13 (Cotiaeum), cf. D.H. 8.52.

2. not visible to the eye, ὀδμά A. Pr. 115.

3. metaph., εἴ τι . . τυγχάνεις ἀφεγγὲς φέρων something ill-starred, unlucky, S. OC 1481 (lyr.).

4. obscure, ἔκδοσις Olymp.Alch.p.70B.