Ἀϊδωνεύς · Aidōneus — LSJ
lengthd. poet. form of Ἄιδης, twice in Hom., Il. 5.190, 20.61, cf. Hes. Th. 913, A. Pers. 650 (lyr.); prob. scanned Αἰδωνεύς S. OC 1560 (lyr.): gen. and dat. Ἀ̄ῐδονῆος, -ῆι in later poets, Q.S. 6.490, Nonn. D. 30.172; Αἰδωνῆος Mosch. 4.86:—hence Ἀιδωναία, ἡ, epith. of Hecate, PMag.Par. 1.2855.