Where does “äidinkielinen” come from?

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

äidinkielinen (Finnish): Expressed in one's mother tongue

Definitions

  1. Expressed in one's mother tongue

Ancestry of “äidinkielinen”, step by step

StepLanguageWordMeaning
1Finnishäidinkielimother tongue, native language
2Finnishkielitongue; language; string
3Proto-Finnickeelitongue; language
4Proto-Uralickäletongue; language
Every word from Proto-Uralic käle →Every word from Proto-Finnic keeli →Every word from Finnish kieli →