Where does “isokorvarotta” come from?

isokorvarotta (Finnish) comes from Finnish korvarotta, from Finnish rotta, from Old Swedish rotta, from Middle Low German rotte, from Proto-Germanic rattaz, from Proto-Indo-European Hreh₃d- — to scrape.

Ancestry of “isokorvarotta”, step by step

isokorvarotta traces back through two separate lines of ancestry.

via Finnish korvarotta

StepLanguageWordMeaning
1Finnishkorvarottavlei rat
2Finnishrottarat; unemployed person living on welfare
3Old Swedishrotta—
4Middle Low Germanrotte—
5Proto-Germanicrattazrat
6Proto-Indo-EuropeanHreh₃d-to scrape

via Finnish iso

StepLanguageWordMeaning
1Finnishisobig; large; great
2Finnishisäfather; Father
3Proto-Finnicicäfather
4Proto-Uralicićäfather
Every word from Proto-Indo-European Hreh₃d- →Every word from Proto-Germanic rattaz →Every word from Middle Low German rotte →
isokorvarotta — Etymology, Origin & Word History | Etymology Explorer