Where does “isovasara” come from?

isovasara (Finnish) comes from Finnish iso, from Finnish isä, from Proto-Finnic icä, from Proto-Uralic ićä — father.

Ancestry of “isovasara”, step by step

isovasara traces back through two separate lines of ancestry.

via Finnish iso

StepLanguageWordMeaning
1Finnishisobig; large; great
2Finnishisäfather; Father
3Proto-Finnicicäfather
4Proto-Uralicićäfather

via Finnish vasara

StepLanguageWordMeaning
1Finnishvasarahammer; malleus, hammer
2Finnish-inen-like, -ous, -y; -en; Creates adjectives from...
3Finnish-uusForms nouns from adjectives, expressing a quality
4Proto-Finnic-uc-ness, -hood
Every word from Proto-Uralic ićäEvery word from Proto-Finnic icäEvery word from Finnish isä