Where does “аяррак” come from?

аяррак (Eastern Mari) comes from Eastern Mari рак.

Ancestry of “аяррак”, step by step

аяррак traces back through two separate lines of ancestry.

via Eastern Mari рак

StepLanguageWordMeaning
1Eastern Mariрак

via Eastern Mari аяр

StepLanguageWordMeaning
1Eastern Mariаярpoisonous, venomous, toxic
Every word from Eastern Mari рак