Where does “pulterrum” come from?

pulterrum (Danish) comes from Danish rum, from Old Norse rúm, from Proto-Germanic rūmą, from Proto-Indo-European rewh₁- — free space.

pulterrum (Danish): attic, storeroom

Definitions

  1. attic, storeroom

Ancestry of “pulterrum”, step by step

pulterrum traces back through two separate lines of ancestry.

via Danish rum

StepLanguageWordMeaning
1Danishrumroom; compartment; space
2Old Norserúmroom; space
3Proto-Germanicrūmąroom, open space
4Proto-Indo-Europeanrewh₁-free space

via Danish pultern

StepLanguageWordMeaning
1Danishpultern—
Every word from Proto-Indo-European rewh₁- →Every word from Proto-Germanic rūmą →Every word from Old Norse rúm →