English lethargy

← Middle English litargie (inherited)

← Ancient Greek ληθᾱργῐ́ᾱ (borrowed)

← Ancient Greek λήθᾱργος (affix)

← Ancient Greek -ῐ́ᾱ (affix)

← Proto-Indo-European *leh₂- (root)

→ English lethe (link)

→ English lethargied (suffix)

→ Ancient Greek ἀλήθεια (mention)

→ Ancient Greek Λήθη (cognate)