Lewis & Short

Euēnus (-nos, also Ēvēnus), i, m., = Εὔηνος,

  1. I. a king of Etolia, father of Marpessa; in despair at the loss of whom he threw himself into the river Lycormas, Hyg. Fab. 242; Prop. 1, 2, 18.
  2. II. The river formerly called Lycormas, now the Fidari, Ov. H. 9, 141; id. M. 9, 104; Mel. 2, 3, 10; Plin. 4, 4, 5, § 11.
    Deriv.. Euēnīnus, a, um, adj., of the river Evenus, Ov. M. 8, 528.