Where does “Burjatia” come from?

Burjatia (Finnish) comes from Russian Буря́тия, from Buryat буряад — Buryat, Buriat.

Ancestry of “Burjatia”, step by step

StepLanguageWordMeaning
1RussianБуря́тия
2BuryatбуряадBuryat, Buriat
Every word from Buryat буряадEvery word from Russian Буря́тия