Where does “юс” come from?

юс (Russian) comes from Old Church Slavonic ѫсъ — big yus.

юс (Russian): yus

Definitions

  1. yus

Ancestry of “юс”, step by step

StepLanguageWordMeaning
1Old Church Slavonicѫсъbig yus

Words derived from “юс

Every word from Old Church Slavonic ѫсъ
юс — Etymology, Origin & Word History | Etymology Explorer