Where does “первосвященник” come from?

первосвященник (Russian) comes from Russian свяще́нник, from Old East Slavic свѧщеникъ.

первосвященник (Russian): high priest

Definitions

  1. high priest

Ancestry of “первосвященник”, step by step

первосвященник traces back through two separate lines of ancestry.

via Russian свяще́нник

StepLanguageWordMeaning
1Russianсвяще́нникpriest, clergyman
2Old East Slavicсвѧщеникъ

via Russian пе́рвый

StepLanguageWordMeaning
1Russianпе́рвыйfirst
Every word from Old East Slavic свѧщеникъEvery word from Russian свяще́нник