Where does “rumen” come from?

rumen (Middle Dutch) comes from Old Dutch rūmen, from Proto-Germanic rūmijaną, from Proto-Germanic rūmaz, from Proto-Indo-European rewh₁- — free space.

Ancestry of “rumen”, step by step

StepLanguageWordMeaning
1Old Dutchrūmen—
2Proto-Germanicrūmijanąto make room, to clear
3Proto-Germanicrūmazroomy, spacious, open
4Proto-Indo-Europeanrewh₁-free space

Words derived from “rumen”

Every word from Proto-Indo-European rewh₁- →Every word from Proto-Germanic rūmaz →Every word from Proto-Germanic rūmijaną →