Lewis & Short

Ĕnīpeus (trisyl.), i, m., = Ἐνῖπεύς.

  1. I. A river in Thessaly that flows into the Penēus, Verg. G. 4, 368; Luc. 7, 116; as a river-god, the lover of Tyro, daughter of Salmoneus, and by her the father of Pelias and Neleus, Prop. 1, 13, 21; 3, 19, 13 (4, 18, 13 M.); Ov. M. 6, 116; Hyg. Fab. 157: voc. Enīpeu, Ov. M. 7, 229.
  2. II. A river in Pieria, Liv. 44, 8, 2; 44, 20, 3.
  3. III. A Roman youth, Hor. C. 3, 7, 23.