Where does “bojazyć” come from?

bojazyć (Polish) comes from Polish Bojar, from Russian боя́ре, from Russian боя́рин, from Old East Slavic боꙗринъ, from Old Church Slavonic болꙗринъ, from Proto-Slavic bojь, from Proto-Indo-European bʰoyh₂ós, from Proto-Indo-European bʰeyh₂- — to fear, be afraid; to strike, hit; to hew, cut.

Ancestry of “bojazyć”, step by step

StepLanguageWordMeaning
1PolishBojarboyar
2Russianбоя́ре—
3Russianбоя́ринfeudal lord
4Old East Slavicбоꙗринъ—
5Old Church Slavonicболꙗринъaristocrat, nobleman, boyar
6Proto-Slavicbojьbattle, fight
7Proto-Indo-Europeanbʰoyh₂ós—
8Proto-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 bʰoyh₂ós →Every word from Proto-Slavic bojь →