"Російської" is the genitive singular form of the adjective "російський," which means "Russian" in English. It is used to describe something that originates from or is related to Russia or the Russian language. This term can refer to culture, people, or objects associated with Russia. In various contexts, "російської" can be used in phrases like "російської мови" (Russian language) or "російської культури" (Russian culture). It is an important term in discussions about Russian history, literature, and art, highlighting the influence and contributions of Russia to global culture.