For this chain-of-thought reasoning and answer, what was the question?
To answer the question, consider the following: Originally, the name Rus' () referred to the people, regions, and medieval states (ninth to twelfth centuries) of the Kievan Rus'.
A: the people , regions , and medieval states ( ninth to twelfth centuries ) of the Kievan Rus '
Q: Originally, the name Rus' () referred to the people, regions, and medieval states (ninth to twelfth centuries) of the Kievan Rus'. In the Western culture, it is better known as Ruthenia from the eleventh century onwards. Its territories are today distributed among Belarus, Ukraine, and a part of the European section of Russia.

Based on this passage, what is the origin of the name russia?