litvánorosz
Litvánorosz is a term historically used to refer to the inhabitants of the Grand Duchy of Lithuania who identified with or were perceived as Russian. This designation often encompassed people of East Slavic ethnicity who lived within the vast territory of the Grand Duchy and spoke East Slavic dialects, which were precursors to modern Belarusian and Ukrainian languages. The term's usage reflects a complex historical and linguistic reality, where ethnic and political identities were fluid and often intertwined.
During the period of the Grand Duchy's expansion and its subsequent union with the Kingdom of Poland,