Where does “Kreiskonstante” come from?

Kreiskonstante (German) comes from German Kreis, from Middle High German kreiz, from Old High German kreiz, from Proto-Germanic kraitaz — A scoring; circle; ring.

Kreiskonstante (German): the number π an irrational constant representing the ratio of a circle's circumference to its diameter in Euclidean geometry; approximately 3.14159

Definitions

  1. the number π an irrational constant representing the ratio of a circle's circumference to its diameter in Euclidean geometry; approximately 3.14159

Ancestry of “Kreiskonstante”, step by step

Kreiskonstante traces back through two separate lines of ancestry.

via German Kreis

StepLanguageWordMeaning
1GermanKreiscircle; range, scope; a type of territorial...
2Middle High Germankreiz—
3Old High Germankreiz—
4Proto-GermanickraitazA scoring; circle; ring

via German Konstante

StepLanguageWordMeaning
1GermanKonstanteconstant
Every word from Proto-Germanic kraitaz →Every word from Old High German kreiz →Every word from Middle High German kreiz →