Where does “בוריאטיה” come from?

בוריאטיה (Hebrew) comes from Russian Буря́тия, from Buryat буряад — Buryat, Buriat.

Ancestry of “בוריאטיה”, step by step

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