LSJ
ὁ, epith. of doubtful meaning applied in magical writings to various divinities, M. τύραννε, of Apollo, PMagLond. 47.33; Ζεῦ Ἥλιε Μίθρα Σάραπι ἀνίκητε, M., Μελικέρτα, Μελιγενέτωρ ib. 46.5, cf. PMagPar. 2.45, Tab. Defix. Aud. 22.32, 38.12.
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)