Where does “ratze” come from?

ratze (Middle High German) comes from Old High German ratza, from Proto-Germanic rattō, from Proto-Indo-European reh₁d- — to scrape, scratch, gnaw.

Ancestry of “ratze”, step by step

StepLanguageWordMeaning
1Old High Germanratza—
2Proto-Germanicrattōrat
3Proto-Indo-Europeanreh₁d-to scrape, scratch, gnaw

Words derived from “ratze”

Every word from Proto-Indo-European reh₁d- →Every word from Proto-Germanic rattō →Every word from Old High German ratza →