Where does “wiewióreczka” come from?

wiewióreczka (Polish) comes from Polish Wiewiórka, from Proto-Slavic věverъka, from Proto-Slavic *vě̀verь, from Proto-Balto-Slavic wēweris, from Proto-Indo-European wēr-, from Proto-Indo-European wer- — to burn; to cover, heed, notice; squirrel.

Ancestry of “wiewióreczka”, step by step

StepLanguageWordMeaning
1PolishWiewiórkasquirrel
2Proto-Slavicvěverъkasquirrel
3Proto-Slavic*vě̀verь
4Proto-Balto-Slavicwēweris
5Proto-Indo-Europeanwēr-true
6Proto-Indo-Europeanwer-to burn; to cover, heed, notice; squirrel
Every word from Proto-Indo-European wer-Every word from Proto-Indo-European wēr-Every word from Proto-Balto-Slavic wēweris