kievan
Kievan is an adjective and demonym related to Kiev, the historical and modern capital of Ukraine, and to the medieval East Slavic state centered on that city, commonly known as Kievan Rus'. In historical contexts, Kievan describes affairs, culture, or people associated with Kiev during the early East Slavic period, roughly from the late 9th to the 13th centuries.
Etymology and usage: The term derives from Kiev (Kiy in some traditional accounts), reflecting Kiev’s central
Historical scope: Kievan Rus' was a loose federation of East Slavic and Finnic peoples whose centers included
Geography and legacy: The Kievan realm spanned parts of what are now Ukraine, Belarus, and western Russia.