Lewis & Short

Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.

Lēthaeus, a, um, v. Lethe, II.

Lēthē, ēs, f., = Λήθη (forgetfulness),

  1. I. the river Lethe, in the infernal regions, from which the Shades drank and obtained forgetfulness of the past: pocula Lethes, Ov. P. 2, 4, 23: da mihi hebetantem pectora Lethen, id. ib. 4, 1, 17: soporifera, id. Tr. 4, 1, 47: immittere Lethen Stygiam alicui in viscera, i. e. forgetfulness, Luc. 5, 221: aqua Lethes, i. q. soporifera, Ov. M. 11, 603.
    Hence,
  2. II. Lēthaeus, a, um, adj., of or belonging to Lethe, Lethean.
    1. A. Lit.: ratis, Tib. 3, 5, 24: amnis, Verg. A. 6, 705: stagna, Prop. 4 (5), 7, 91.
    2. B. Transf.
      1. 1. Of or belonging to the infernal regions: Lethaei dii, Luc. 6, 685: tyrannus, i. e. Pluto, Col. 10, 271: Lethaea vincula abrumpere alicui, to bring one from the Lower World back to life, Hor. C. 4, 7, 27: janitor, i. e. Anubis, Stat. S. 3, 2, 112.
      2. 2. That produces sleepiness or forgetfulness, Lethean: Lethaeo perfusa papavera somno, Verg. G. 1, 78: ros, id. A. 5, 854: papavera, id. G. 4, 545: sucus, Ov. M. 7, 152: amor, faithless love, id. R. Am. 551: nox, id. A. A. 3, 648.