ἀφεγγής
From LSJ
οὐδ' ἄμμε διακρινέει φιλότητος ἄλλο, πάρος θάνατόν γε μεμορμένον ἀμφικαλύψαι → nor will anything else divide us from our love before the fate of death enshrouds us (Apollonius of Rhodes, Argonautica 3.1129f.)
English (LSJ)
ές,
A without light, φῶς ἀ. a light that is no light (i. e. to the blind), S.OC1549; νυκτὸς ἀφεγγὲς βλέφαρον, of the moon, E.Ph.543; simply, dark, σπῆλυγξ Opp.C.3.324; ὀμίχλη AP9.675; 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.OC1481 (lyr.). 4 obscure, ἔκδοσις Olymp.Alch.p.70B.