The story
- Ancient Greek · derived fromὄνειρος“dream”
- Latin · derived fromoneirologia
- English todayoneirology
From oneiro- + -logy, historically from Latin oneirologia from Ancient Greek ὄνειρος (óneiros, “dream”).
Words from the same roots
Ancient Greekὄνειρος all →
oneiro-oneirocrisyoneiroid
Etymology from Wiktionary, CC BY-SA 4.0.