Where does “biesisko” come from?

biesisko (Polish) comes from Polish Bies, from Polish bies, from Proto-Slavic běsъ, from Proto-Balto-Slavic baiˀsás, from Proto-Indo-European bʰoyh₂-dʰh₁-so-s, from Proto-Indo-European bʰeyh₂- — to fear, be afraid; to strike, hit; to hew, cut.

Ancestry of “biesisko”, step by step

StepLanguageWordMeaning
1PolishBiesdevil, demon, evil spirit
2Polishbiesdevil, demon
3Proto-Slavicběsъrage, amok → rabies; demon, evil spirit
4Proto-Balto-Slavicbaiˀsásdemon, evil spirit
5Proto-Indo-Europeanbʰoyh₂-dʰh₁-so-s—
6Proto-Indo-Europeanbʰeyh₂-to fear, be afraid; to strike, hit; to hew, cut
Every word from Proto-Indo-European bʰeyh₂- →Every word from Proto-Indo-European bʰoyh₂-dʰh₁-so-s →Every word from Proto-Balto-Slavic baiˀsás →