Where does “персиянин” come from?

персиянин (Russian) comes from Russian -я́нин, from Proto-Slavic -ěninъ.

персиянин (Russian): Persian

Definitions

  1. Persian

Ancestry of “персиянин”, step by step

StepLanguageWordMeaning
1Russian-я́нинSuffix used to form nouns from other nouns, usually referring to inhabitants of a given place or occupations
2Proto-Slavic-ěninъ
Every word from Proto-Slavic -ěninъEvery word from Russian -я́нин