Where does “Hilbertrum” come from?

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

Hilbertrum (Danish): Hilbert space

Definitions

  1. Hilbert space

Ancestry of “Hilbertrum”, step by step

Hilbertrum 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 Hilbert

StepLanguageWordMeaning
1DanishHilbert—
Every word from Proto-Indo-European rewh₁- →Every word from Proto-Germanic rūmą →Every word from Old Norse rúm →
Hilbertrum — Etymology, Origin & Word History | Etymology Explorer