русьскъ

Alternative forms
The main deviations:
 * the оу digraph or simply у:, , русьскъ
 * double or single с: русьскъ, ,
 * the absence or presence of the yer: русьскъ,, ,
 * the ъ or ь: русьскъ,

Etymology
From.

Adjective

 * 1) Rusian from or related to Kievan Rus