Where does “sukulaiskieli” come from?

sukulaiskieli (Finnish) comes from Finnish sukulainen, from Finnish -lainen, from Proto-Finnic -lainen, from Proto-Finnic -la — locative suffix.

sukulaiskieli (Finnish): language relative

Definitions

  1. language relative

Ancestry of “sukulaiskieli”, step by step

sukulaiskieli traces back through two separate lines of ancestry.

via Finnish sukulainen

StepLanguageWordMeaning
1Finnishsukulainenrelative, relation
2Finnish-lainenCombined with a place name, forms the noun for...
3Proto-Finnic-lainenForms adjectives relating to a place
4Proto-Finnic-lalocative suffix

via Finnish kieli

StepLanguageWordMeaning
1Finnishkielitongue; language; string
2Proto-Finnickeelitongue; language
3Proto-Uralickäletongue; language
Every word from Proto-Finnic -la →Every word from Finnish -lainen →Every word from Finnish sukulainen →