English
Lethy
From Lethe + -y.
Formed from Lethe + -y
Proto-Indo-European *leh₂- ‘to hide’
Ancient Greek λήθω ‘to forget’
Ancient Greek Λήθη
Latin Lēthē
English Lethe
Today it means
adj Lethean.
Language periods are conventional ranges, not dates for this word.
Etymograph / Lethy