Where does “rétthyrndur” come from?

rétthyrndur (Icelandic) comes from Icelandic réttur, 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.

rétthyrndur (Icelandic): right-angled

Definitions

  1. right-angled

Ancestry of “rétthyrndur”, step by step

rétthyrndur traces back through two separate lines of ancestry.

via Icelandic réttur

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

via Icelandic hyrndur

StepLanguageWordMeaning
1Icelandichyrndurhorned
Every word from Proto-Indo-European h₃reǵ-Every word from Proto-Indo-European h₃reǵtósEvery word from Proto-Germanic rehtaz