Where does “duo” come from?

duo (Interlingua) comes from Latin duō, from Proto-Italic duō, from Proto-Indo-European dwóh₁ — two.

duo (Interlingua): two

Definitions

  1. two

Ancestry of “duo”, step by step

StepLanguageWordMeaning
1Latinduōtwo; 2
2Proto-Italicduōtwo
3Proto-Indo-Europeandwóh₁two
Every word from Proto-Indo-European dwóh₁ →Every word from Proto-Italic duō →Every word from Latin duō →