Old Ruthenian

Proper noun



 * 1)  A descendant of the Old East Slavic language, a language used in the 15th to 18th centuries in the  and Cossack state, ancestor of Belarusian, Rusyn, and Ukrainian. It contrasts with the Middle Russian language or early modern Russian language of Muscovy.

Adjective

 * 1) Of or related to Old Ruthenia.

Usage notes

 * Not all resources agree on the more detailed separation between Old East Slavic and descendant languages.

Translations

 * Belarusian: заходнеру́скі
 * Old Church Slavonic:
 * Cyrillic: ꙁападьнороусьскъ
 * Russian:
 * Ukrainian: західнору́ський