Where does “sukulaisrakkaus” come from?

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

Ancestry of “sukulaisrakkaus”, step by step

sukulaisrakkaus 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 rakkaus

StepLanguageWordMeaning
1Finnishrakkauslove, affection
2Finnishrakasdear, beloved, cherished; eager, willing, greedy;...
3Proto-Finnicrak'asgreedy
Every word from Proto-Finnic -la →Every word from Finnish -lainen →Every word from Finnish sukulainen →