Lewis & Short

ē-no, āvi, 1, v. n. and a.

  1. I. Neutr., to swim out, swim away, escape by swimming.
    1. A. Prop. (rare but class.): facile, * Plaut. Rud. 1, 2, 81: e concha, * Cic. Fin. 3, 19, 63: in Erythraeam, Liv. 44, 28; cf.: in terram, id. 33, 41.
    2. B. Poet. transf., of flying, * Lucr. 3, 591; * Verg. A. 6, 16; Sil. 12, 95.
  2. II. Act., to traverse by swimming, i. e. to sail through a place (in post-Aug. poets): orbem fretis, Val. Fl. 5, 316: has valles, Sil. 3, 662.