ruský
Ruské is the Czech and Slovak adjective meaning “Russian” or “of Russia.” It is used to describe people, languages, culture, products, or places associated with Russia. In standard usage the form agrees with the gender and number of the noun it modifies; common examples include ruská literatura (Russian literature), ruské jazyky (Russian languages), and ruské mesto (the Russian city).
The word derives from the Proto-Slavic root rŭsk- related to Rus’, the historical East Slavic polity that
Historically, the term has been used in various periods to refer to the lands and peoples associated