Where does “Jaakonsaari” come from?

Jaakonsaari (Finnish) comes from Finnish sääri, from Finnish -lä, from Finnish -as, from Proto-Finnic -s, from Proto-Finno-Ugric -s.

Ancestry of “Jaakonsaari”, step by step

Jaakonsaari traces back through two separate lines of ancestry.

via Finnish sääri

StepLanguageWordMeaning
1Finnishsäärishank, shin; cannon; used to refer to legs from...
2Finnish-läFront vowel variant of -la
3Finnish-asForms some adjectives; Forms some nouns
4Proto-Finnic-sForms nouns
5Proto-Finno-Ugric-s

via Finnish Jaakon

StepLanguageWordMeaning
1FinnishJaakonJaakko's
Every word from Proto-Finno-Ugric -sEvery word from Finnish -läEvery word from Finnish sääri