Where does “বেলাৰুছ” come from?
বেলাৰুছ (Assamese) comes from English Belarus, from French Biélorussie, from Italian Bielorussia, from Russian Белору́ссия, from Old East Slavic Бѣла Русь — {{w|White Ruthenia}} or White Rus.
Ancestry of “বেলাৰুছ”, step by step