Where does “брадатъ” come from?

брадатъ (Old Church Slavonic) comes from Proto-Slavic bordàtъ, from Proto-Balto-Slavic bardā́ˀtas, from Proto-Indo-European bʰardʰéh₂tos, from Proto-Indo-European bʰardʰéh₂ — beard.

Ancestry of “брадатъ”, step by step

StepLanguageWordMeaning
1Proto-Slavicbordàtъbearded
2Proto-Balto-Slavicbardā́ˀtasbearded
3Proto-Indo-Europeanbʰardʰéh₂tosbearded
4Proto-Indo-Europeanbʰardʰéh₂beard
Every word from Proto-Indo-European bʰardʰéh₂Every word from Proto-Indo-European bʰardʰéh₂tosEvery word from Proto-Balto-Slavic bardā́ˀtas