Where does “ёарксэй” come from?

ёарксэй (Kildin Sami) comes from Kildin Sami -эй, from Proto-Samic -jē — Forms agent nouns from verbs.

Ancestry of “ёарксэй”, step by step

StepLanguageWordMeaning
1Kildin Sami-эйForms agent nouns from verbs
2Proto-Samic-jēForms agent nouns from verbs
Every word from Proto-Samic -jē →Every word from Kildin Sami -эй →
ёарксэй — Etymology, Origin & Word History | Etymology Explorer