Where does “vektorrum” come from?

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

vektorrum (Danish): vector space

Definitions

  1. vector space

Ancestry of “vektorrum”, step by step

vektorrum 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 vektor

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