Where does “Kviterussland” come from?

Kviterussland (Norwegian Nynorsk) comes from Norwegian Nynorsk kvit, from Old Norse hvítr, from Proto-Germanic hwītaz, from Proto-Indo-European ḱweytos — bright; shine; shine; bright.

Ancestry of “Kviterussland”, step by step

Kviterussland traces back through two separate lines of ancestry.

via Norwegian Nynorsk kvit

StepLanguageWordMeaning
1Norwegian Nynorskkvitwhite
2Old Norsehvítrwhite
3Proto-Germanichwītazwhite
4Proto-Indo-Europeanḱweytosbright; shine; shine; bright

via Norwegian Nynorsk Russland

StepLanguageWordMeaning
1Norwegian NynorskRussland—
Every word from Proto-Indo-European ḱweytos →Every word from Proto-Germanic hwītaz →Every word from Old Norse hvítr →