Where does “bratъ” come from?

bratъ (Proto-Slavic) comes from Proto-Balto-Slavic brā́ˀtē, from Proto-Indo-European bʰréh₂tēr — brother.

Ancestry of “bratъ”, step by step

StepLanguageWordMeaning
1Proto-Balto-Slavicbrā́ˀtēbrother
2Proto-Indo-Europeanbʰréh₂tērbrother

Words derived from “bratъ”

Every word from Proto-Indo-European bʰréh₂tēr →Every word from Proto-Balto-Slavic brā́ˀtē →
bratъ — Etymology, Origin & Word History | Etymology Explorer