Where does “hors” come from?

hors (Old Dutch) comes from Proto-West Germanic hross, from Proto-Germanic hrussą, from Proto-Indo-European ḱers- — to run.

Ancestry of “hors”, step by step

StepLanguageWordMeaning
1Proto-West Germanichrosshorse
2Proto-Germanichrussąhorse
3Proto-Indo-Europeanḱers-to run

Words derived from “hors”

Every word from Proto-Indo-European ḱers- →Every word from Proto-Germanic hrussą →Every word from Proto-West Germanic hross →