Where does “Kreisfläche” come from?

Kreisfläche (German) comes from German fläche, from Middle High German vleche, from Old High German flah, from Proto-West Germanic *flak, from Proto-Germanic flakaz, from Proto-Indo-European pl̥keh — flat surface.

Kreisfläche (German): area of a circle

Definitions

  1. area of a circle

Ancestry of “Kreisfläche”, step by step

Kreisfläche traces back through two separate lines of ancestry.

via German fläche

StepLanguageWordMeaning
1Germanflächesurface
2Middle High Germanvleche—
3Old High Germanflahflat, smooth
4Proto-West Germanic*flak—
5Proto-Germanicflakazflat
6Proto-Indo-Europeanpl̥kehflat surface

via German Kreis

StepLanguageWordMeaning
1GermanKreiscircle; range, scope; a type of territorial...
2Middle High Germankreiz—
3Old High Germankreiz—
4Proto-GermanickraitazA scoring; circle; ring
Every word from Proto-Indo-European pl̥keh →Every word from Proto-Germanic flakaz →Every word from Proto-West Germanic *flak →