Where does “wíśwas” come from?

wíśwas (Proto-Indo-Aryan) comes from Proto-Indo-Iranian wíćwas, from Proto-Indo-European h₁wiḱ.

Ancestry of “wíśwas”, step by step

StepLanguageWordMeaning
1Proto-Indo-Iranianwíćwasall, every
2Proto-Indo-Europeanh₁wiḱ—
Every word from Proto-Indo-European h₁wiḱ →Every word from Proto-Indo-Iranian wíćwas →