Main Entry: le·the

Pronunciation: \ˈlē-thē\

Function: noun

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

Date: 14th century

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