(Γηρυονεύς; Gēryoneús; also Geryónēs, Geryṓn, Γηρυόνης, Γηρυών; Etruscan Cerun). Mythical giant with three heads and three bodies, residing on the island Erytheia in the far west of the inhabited world (later generally identified with Gadeira/Cadiz: Hdt. 4,8, et al., in Ptolemy's Geographia 4,1,16, identified with Mauretania, euhemeristically relocated to Ambracia by Hecataeus FGrH 1 F 26), where he tends an especially splendid breed of red cattle. His father is Chrysaor, originated from Medusa, and his mother, an Oceanid (Callirhoe).
In the Greek myth, G.…