Editing Rusyns (section)

=== Rus' ===
{{Main|Rus' (term)}}
Several endonyms such as Rus' and Rusyn were used widely by the [[East Slavs]] of [[Kievan Rus']] during the medieval period. Common endonymic use of those terms continued through the life of the [[Polish–Lithuanian Commonwealth]].

Parallel, medieval [[Latin language|Latin]] terms such as ''Rusi'', ''Russi'' or ''Rusci'' are found in sources of the period and were commonly used as an [[exonym]] for the East Slavs.{{sfn|Magocsi|Pop|2005|pp=433–434}}<ref name="Magocsi" /><ref name="Britannica">{{cite encyclopedia|url=https://www.britannica.com/eb/article-9064505/Ruthenian|entry=Rusyn|author=Paul Robert Magocsi|title=Rusyn &#124; people &#124; Britannica |date=2015|encyclopedia=Encyclopædia Britannica|quote=Rusyn, Rusyn ruskyi, also called Ruthenian, Carpatho-Rusyn, Lemko, or Rusnak, any of several East Slavic peoples (modern-day Belarusians, Ukrainians, and Carpatho-Rusyns) and their languages|access-date=2022-02-17|archive-date=2008-06-22|archive-url=https://web.archive.org/web/20080622132854/http://www.britannica.com/eb/article-9064505/Ruthenian|url-status=live}}</ref>