Where does “vogulinkielinen” come from?

vogulinkielinen (Finnish) comes from Finnish kieli, from Proto-Finnic keeli, from Proto-Uralic käle — tongue; language.

Ancestry of “vogulinkielinen”, step by step

vogulinkielinen traces back through two separate lines of ancestry.

via Finnish kieli

StepLanguageWordMeaning
1Finnishkielitongue; language; string
2Proto-Finnickeelitongue; language
3Proto-Uralickäletongue; language

via Finnish voguli

StepLanguageWordMeaning
1FinnishvoguliVogul language and people, now called "Mansi" in English
Every word from Proto-Uralic käle →Every word from Proto-Finnic keeli →Every word from Finnish kieli →