Where does “rätvinklig” come from?

rätvinklig (Swedish) comes from Swedish vinkel, from Middle Low German winkel, from Old Saxon winkil, from Proto-West Germanic *winkil, from Proto-Indo-European wenǵ- — neck, cheek.

rätvinklig (Swedish): right, right-angled (having at least one right angle, of a polygon, especially a triangle or quadrilateral)

Definitions

  1. right, right-angled (having at least one right angle, of a polygon, especially a triangle or quadrilateral)

Ancestry of “rätvinklig”, step by step

rätvinklig traces back through two separate lines of ancestry.

via Swedish vinkel

StepLanguageWordMeaning
1Swedishvinkelan angle
2Middle Low Germanwinkel
3Old Saxonwinkil
4Proto-West Germanic*winkilsomething bent, twisted
5Proto-Indo-Europeanwenǵ-neck, cheek

via Swedish rät

StepLanguageWordMeaning
1Swedishrätthe side of a fabric which is supposed to be the...
Every word from Proto-Indo-European wenǵ-Every word from Proto-West Germanic *winkilEvery word from Old Saxon winkil
rätvinklig — Etymology, Origin & Word History | Etymology Explorer