Where does “белорусский” come from?

белорусский (Russian) comes from Russian -ский, from Old East Slavic -ьскъ.

белорусский (Russian): Belorussian; Belarusian; Belarusian language

Definitions

  1. Belorussian; Belarusian; Belarusian language

Ancestry of “белорусский”, step by step

StepLanguageWordMeaning
1Russian-скийUsed to form adjectives from nouns or sometimes...
2Old East Slavic-ьскъ—
Every word from Old East Slavic -ьскъ →Every word from Russian -ский →
белорусский — Etymology, Origin & Word History | Etymology Explorer