Where does “Västernorrland” come from?

Västernorrland (English) comes from Swedish Västernorrland, from Swedish väster, from Old Swedish væster, from Old Norse vestr, from Proto-Germanic westrą, from Proto-Germanic westraz, from Proto-Indo-European wek(ʷ)speros, from Proto-Indo-European we-.

Ancestry of “Västernorrland”, step by step

StepLanguageWordMeaning
1SwedishVästernorrland
2Swedishvästerwest; one of the four major compass points; west;...
3Old Swedishvæster
4Old Norsevestrwest, westwards
5Proto-Germanicwestrąwest; west, westward
6Proto-Germanicwestrazwest, western
7Proto-Indo-Europeanwek(ʷ)sperosevening
8Proto-Indo-Europeanwe-
Every word from Proto-Indo-European we-Every word from Proto-Indo-European wek(ʷ)sperosEvery word from Proto-Germanic westraz