Where does “rosualt” come from?

rosualt (Middle Irish) comes from Old Norse hrosshvalr, from Old Norse hross, from Proto-Germanic hursaz, from Proto-Indo-European ḱers- — to run.

Ancestry of “rosualt”, step by step

StepLanguageWordMeaning
1Old Norsehrosshvalrwalrus
2Old Norsehrosshorse
3Proto-Germanichursaz—
4Proto-Indo-Europeanḱers-to run

Words derived from “rosualt”

Every word from Proto-Indo-European ḱers- →Every word from Proto-Germanic hursaz →Every word from Old Norse hross →