Where does “Weres” come from?

Weres (Polish) comes from Ukrainian верес, from Proto-Slavic vȇrsъ, from Proto-Indo-European werḱ-, from Proto-Indo-European wer- — to burn; to cover, heed, notice; squirrel.

Ancestry of “Weres”, step by step

StepLanguageWordMeaning
1Ukrainianвересheather
2Proto-Slavicvȇrsъheather
3Proto-Indo-Europeanwerḱ-—
4Proto-Indo-Europeanwer-to burn; to cover, heed, notice; squirrel
Every word from Proto-Indo-European wer- →Every word from Proto-Indo-European werḱ- →Every word from Proto-Slavic vȇrsъ →