Etymology

duo

D2U1O1

Today it means: Two people who work or collaborate together as partners; especially Full definition →

French duo ← Italian duo ← Latin duo
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The story

  1. Proto-Indo-European · derived from*dwóh₁
  2. Proto-Italic · derived from*duō
  3. Latin · derived fromduo“two”
  4. Italian · borrowed fromduo
  5. French · borrowed fromduo
  6. English todayduo

PIE word *dwóh₁ From French duo or Italian duo, from Latin duo (“two”), from Proto-Italic *duō, from Proto-Indo-European *dwóh₁. Doublet of two, which was inherited via Proto-Germanic.

Words from the same roots

Latinduo all →

dubiousdeuceduo-duology

Proto-Indo-European*dwóh₁ all →

twodoubttwintwaindisparatetwinetwixtdouzepertwi-

Etymology from Wiktionary, CC BY-SA 4.0.