Where does “alleninrotta” come from?

alleninrotta (Finnish) comes 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 “alleninrotta”, step by step

StepLanguageWordMeaning
1Finnishrottarat; unemployed person living on welfare
2Old Swedishrotta—
3Middle Low Germanrotte—
4Proto-Germanicrattazrat
5Proto-Indo-EuropeanHreh₃d-to scrape
Every word from Proto-Indo-European Hreh₃d- →Every word from Proto-Germanic rattaz →Every word from Middle Low German rotte →