The story
- Ancient Greek · borrowed fromλήθη“forgetfulness”
- English todaylethologica
From Ancient Greek λήθη (lḗthē, “forgetfulness”) + λόγος (lógos, “word”), early 20th c. Popularly attributed to Carl Jung.
Words from the same roots
Ancient Greekλήθη all →
letheletheon
Etymology from Wiktionary, CC BY-SA 4.0.