Where does “rumen” come from?

rumen (Middle English) comes from Old English rȳman, from Proto-West Germanic rūmijan, from Proto-Germanic rūmijaną, from Proto-Germanic rūmaz, from Proto-Indo-European rewh₁- — free space.

rumen (Middle English): to open up

Definitions

  1. to open up

Ancestry of “rumen”, step by step

StepLanguageWordMeaning
1Old Englishrȳmanto make roomy, extend, widen, spread, enlarge,...
2Proto-West Germanicrūmijanto make room, to clear out
3Proto-Germanicrūmijanąto make room, to clear
4Proto-Germanicrūmazroomy, spacious, open
5Proto-Indo-Europeanrewh₁-free space
Every word from Proto-Indo-European rewh₁- →Every word from Proto-Germanic rūmaz →Every word from Proto-Germanic rūmijaną →