Where does “rato” come from?

rato (Old Dutch) comes from Frankish ratt, from Proto-Germanic rattaz, from Proto-Indo-European Hreh₃d- — to scrape.

Ancestry of “rato”, step by step

StepLanguageWordMeaning
1Frankishratt—
2Proto-Germanicrattazrat
3Proto-Indo-EuropeanHreh₃d-to scrape

Words derived from “rato”

Every word from Proto-Indo-European Hreh₃d- →Every word from Proto-Germanic rattaz →Every word from Frankish ratt →