Where does “jyvärattu” come from?

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

jyvärattu (Finnish): Any New World rat of the genus Oligoryzomys, many of them commonly called pygmy rice rats or colilargos

Definitions

  1. Any New World rat of the genus Oligoryzomys, many of them commonly called pygmy rice rats or colilargos

Ancestry of “jyvärattu”, step by step

jyvärattu traces back through two separate lines of ancestry.

via Finnish rattu

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

via Finnish jyvä

StepLanguageWordMeaning
1Finnishjyvägrain, kernel, corn; caryopsis; achene
2Proto-Finno-Ugric*jüvä—
3Proto-Uralicjewä—
4Proto-Indo-Europeanyéwoscereal, grain; barley, spelt
5Proto-Indo-Europeanyew-to mix
Every word from Proto-Indo-European Hreh₃d- →Every word from Proto-Germanic rattaz →Every word from Middle Low German rotte →