Where does “duo” come from?

duo (Old Albanian) comes from Proto-Albanian dāusnja, from Proto-Indo-European ǵews- — to taste, try.

Ancestry of “duo”, step by step

StepLanguageWordMeaning
1Proto-Albaniandāusnja—
2Proto-Indo-Europeanǵews-to taste, try

Words derived from “duo”

Every word from Proto-Indo-European ǵews- →Every word from Proto-Albanian dāusnja →
duo — Etymology, Origin & Word History | Etymology Explorer