Where does “vinkelrett” come from?

vinkelrett (Norwegian Nynorsk) comes from Norwegian Nynorsk rett, from Old Norse réttr, from Proto-Germanic rehtaz, from Proto-Indo-European h₃reǵtós, from Proto-Indo-European h₃reǵ- — to straighten, to right oneself; right; just.

vinkelrett (Norwegian Nynorsk): perpendicular; at right angles

Definitions

  1. perpendicular; at right angles

Ancestry of “vinkelrett”, step by step

vinkelrett traces back through two separate lines of ancestry.

via Norwegian Nynorsk rett

StepLanguageWordMeaning
1Norwegian Nynorskrettright; straight; a right
2Old Norseréttrright
3Proto-Germanicrehtazright, straight; morally upright, just
4Proto-Indo-Europeanh₃reǵtósstraightened, right, upright
5Proto-Indo-Europeanh₃reǵ-to straighten, to right oneself; right; just

via Norwegian Nynorsk vinkel

StepLanguageWordMeaning
1Norwegian Nynorskvinkelan angle
2Low Germanwinkel
Every word from Proto-Indo-European h₃reǵ-Every word from Proto-Indo-European h₃reǵtósEvery word from Proto-Germanic rehtaz