Rus is a name of Slavic origin, derived from the word rus, meaning red or blood. It is a masculine given name that has been used in various cultures, including Russian, Ukrainian, and Belarusian. In Russian, the name Rus is often associated with the concept of blood and vitality, reflecting its meaning. Historically, the name Rus was popularized by the 9th-century Russian prince, Rurik the Great, who founded the Kievan Rus state. The name has also been used in various forms throughout history, including Rusovich, Rusovich, and Rusovich. In modern times, the name Rus has gained popularity in Russia and other Eastern European countries.