Where does “ударак” come from?

ударак (Eastern Mari) comes from Eastern Mari рак.

Ancestry of “ударак”, step by step

ударак traces back through two separate lines of ancestry.

via Eastern Mari рак

StepLanguageWordMeaning
1Eastern Mariрак

via Eastern Mari уда

StepLanguageWordMeaning
1Eastern Mariудаbad, poor
Every word from Eastern Mari рак