Where does “dous” come from?

dous (Old Portuguese) comes from Latin duō, from Proto-Italic duō, from Proto-Indo-European dwóh₁ — two.

Ancestry of “dous”, step by step

dous traces back through two separate lines of ancestry.

via Latin duō

StepLanguageWordMeaning
1Latinduōtwo; 2
2Proto-Italicduōtwo
3Proto-Indo-Europeandwóh₁two

via Latin duōs

StepLanguageWordMeaning
1Latinduōs—

Words derived from “dous”

Every word from Proto-Indo-European dwóh₁ →Every word from Proto-Italic duō →Every word from Latin duō →