Where does “Raumlehre” come from?

Raumlehre (German) comes from German Lehre, from Middle High German lēre, from Old High German lēra, from Proto-West Germanic laiʀu, from Proto-Germanic laizō, from Proto-Germanic laizijaną, from Proto-Indo-European loyséyeti, from Proto-Indo-European leys — to trace; to track.

Raumlehre (German): geometry

Definitions

  1. geometry

Ancestry of “Raumlehre”, step by step

Raumlehre traces back through two separate lines of ancestry.

via German Lehre

StepLanguageWordMeaning
1GermanLehreteaching, tenet; apprenticeship; doctrine
2Middle High Germanlēre—
3Old High Germanlērateaching, lore
4Proto-West Germaniclaiʀu—
5Proto-Germaniclaizōteaching; lore; doctrine
6Proto-Germaniclaizijanąto teach
7Proto-Indo-Europeanloyséyeti—
8Proto-Indo-Europeanleysto trace; to track

via German raum

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 leys →Every word from Proto-Indo-European loyséyeti →Every word from Proto-Germanic laizijaną →