Lewis & Short

Ĕrythēa or -īa, ae, f., = Ἐρύθεια,

  1. I. a small island in the Bay of Cadiz, where the giant Geryon dwelt, Mel. 3, 6, 2; Plin. 4, 21, 36, § 120; Prop. 5, 9, 2.
  2. II. Derivv.
    1. A. Ĕrythīus, a, um, adj., Erythean: ad litora Gades, Sil. 16, 195.
    2. B. Ĕrythēïs, ĭdis, f., Erythean: boves, Ov. F. 1, 543: praeda, id. ib. 5, 649.