Where does “tosipaikka” come from?

tosipaikka (Finnish) comes from Finnish paikka, from Proto-Finno-Ugric *paikka, from Proto-Germanic spaikǭ, from Proto-Indo-European spēy- — to stretch; thrive; succeed.

Ancestry of “tosipaikka”, step by step

tosipaikka traces back through two separate lines of ancestry.

via Finnish paikka

StepLanguageWordMeaning
1Finnishpaikkaplace, location, spot, site; area, region,...
2Proto-Finno-Ugric*paikka—
3Proto-Germanicspaikǭspoke
4Proto-Indo-Europeanspēy-to stretch; thrive; succeed

via Finnish tosi

StepLanguageWordMeaning
1Finnishtositruth, reality, real thing; real-life; true
2Proto-Finnictocitruth
Every word from Proto-Indo-European spēy- →Every word from Proto-Germanic spaikǭ →Every word from Proto-Finno-Ugric *paikka →