lethe

le·the

noun \ˈlē-thē\

Definition of LETHE

1

capitalized : a river in Hades whose waters cause drinkers to forget their past

2

: oblivion, forgetfulness

— le·the·an \ˈlē-thē-ən, li-ˈthē-\ adjective often capitalized

Origin of LETHE

Latin, from Greek Lēthē, from lēthē forgetfulness; akin to Greek lanthanein to escape notice, lanthanesthai to forget — more at latent

First Known Use: 14th century