Where does “dwitíyos” come from?

dwitíyos (Proto-Indo-European) comes from Proto-Indo-European dwi-, from Proto-Indo-European dwóh₁ — two.

Ancestry of “dwitíyos”, step by step

StepLanguageWordMeaning
1Proto-Indo-Europeandwi-two; apart, asunder
2Proto-Indo-Europeandwóh₁two

Words derived from “dwitíyos”

Every word from Proto-Indo-European dwóh₁ →Every word from Proto-Indo-European dwi- →