Where does “супьрьникъ” come from?

супьрьникъ (Old East Slavic) comes from Proto-Slavic *sǫpьrьnikъ.

Ancestry of “супьрьникъ”, step by step

StepLanguageWordMeaning
1Proto-Slavic*sǫpьrьnikъ

Words derived from “супьрьникъ

Every word from Proto-Slavic *sǫpьrьnikъ