The story
- Latin · derived fromduo“two”
- English todayduo-
PIE word *dwóh₁ Etymology tree Proto-Indo-European *dwóh₁ Proto-Italic *duō Latin duo English duo- From Latin duo (“two”).
Words from the same roots
Latinduo all →
duodubiousdeuceduology
Etymology from Wiktionary, CC BY-SA 4.0.