lethe Meaning, Definition & Usage

  1. noun (Greek mythology) a river in Hades; the souls of the dead had to drink from it, which made them forget all they had done and suffered when they were alive
    River Lethe.

WordNet

Le"the noun
Etymology
See Lethal.
Definitions
  1. Death.Obs. Shak.
Le"the noun
Etymology
L., fr. Gr. , prop., forgetfulness; akin to to forget, to escape notice.
Definitions
  1. (Class. Myth.) A river of Hades whose waters when drunk caused forgetfulness of the past.
  2. Oblivion; a draught of oblivion; forgetfulness.

Webster 1913