Where does “vír” come from?

vír (Old Norse) comes from Old Norse vér, from Proto-Germanic warją, from Proto-Indo-European wēr-, from Proto-Indo-European wer- — to burn; to cover, heed, notice; squirrel.

Ancestry of “vír”, step by step

StepLanguageWordMeaning
1Old NorsevérFirst person plural pronoun; we
2Proto-Germanicwarjądam, weir
3Proto-Indo-Europeanwēr-true
4Proto-Indo-Europeanwer-to burn; to cover, heed, notice; squirrel

Words derived from “vír

Every word from Proto-Indo-European wer-Every word from Proto-Indo-European wēr-Every word from Proto-Germanic warją