Where does “jaakopinpaini” come from?

jaakopinpaini (Finnish) comes from Finnish paini, from Finnish painia, from Finnish painaa, from Proto-Finnic painadak, from Proto-Uralic pajńa- — press.

Ancestry of “jaakopinpaini”, step by step

jaakopinpaini traces back through two separate lines of ancestry.

via Finnish paini

StepLanguageWordMeaning
1Finnishpainiwrestling; Third-person singular indicative past...
2FinnishpainiaTo wrestle; Partitive plural form of paini
3Finnishpainaato push, press; to print; to weigh
4Proto-Finnicpainadakto push, to press
5Proto-Uralicpajńa-press

via Finnish Jaakoppi

StepLanguageWordMeaning
1FinnishJaakoppi
2FinnishJaakobJacob, James
3Ancient GreekἸακώβJacob
4HebrewיַעֲקֹבJacob
5Hebrewעָקֵבheel of the foot; heel
Every word from Proto-Uralic pajńa-