Rusa is a name of Slavic origin, derived from the word rusa, meaning red or blood. It is a feminine given name that has been used in various cultures, including Russian, Ukrainian, and Belarusian. In Russian, the name Rusa is often associated with the concept of blood and vitality, reflecting its meaning. Historically, the name Rusa was popularized by the 9th-century Russian princess, Rusa the Beautiful, who was known for her beauty and strength. The name has also been used in various forms throughout history, including Rusa, Rusa, and Rusa. In modern times, the name Rusa has gained popularity in Russia and other Eastern European countries.