Where does “bystrý” come from?

bystrý (Old Czech) comes from Proto-Slavic bystrъ, from Proto-Indo-European bʰūsro-.

Ancestry of “bystrý”, step by step

StepLanguageWordMeaning
1Proto-Slavicbystrъquick; penetrating, transparent
2Proto-Indo-Europeanbʰūsro-

Words derived from “bystrý

Every word from Proto-Indo-European bʰūsro-Every word from Proto-Slavic bystrъ
bystrý — Etymology, Origin & Word History | Etymology Explorer