Where does “Innenraum” come from?

Innenraum (German) comes from German raum, from Middle High German rūm, from Old High German rūm, from Proto-West Germanic rūm, from Proto-Germanic rūmaz, from Proto-Indo-European rewh₁- — free space.

Innenraum (German): interior

Definitions

  1. interior

Ancestry of “Innenraum”, step by step

StepLanguageWordMeaning
1Germanraumwide; space
2Middle High Germanrūm—
3Old High Germanrūm—
4Proto-West Germanicrūmroomy, spacious; room, open space
5Proto-Germanicrūmazroomy, spacious, open
6Proto-Indo-Europeanrewh₁-free space
Every word from Proto-Indo-European rewh₁- →Every word from Proto-Germanic rūmaz →Every word from Proto-West Germanic rūm →