Where does “circumcircle” come from?

circumcircle (English) comes from English circle, from Middle English circle, from Old French cercle, from Latin circulus, from Latin -ulus, from Proto-Italic -olos, from Proto-Italic -elos, from Proto-Indo-European -e-lós — Forms agent nouns from verbal roots.

circumcircle (English): A circle that passes through every vertex of a...

Definitions

  1. A circle that passes through every vertex of a...

Ancestry of “circumcircle”, step by step

circumcircle traces back through two separate lines of ancestry.

via English circle

StepLanguageWordMeaning
1EnglishcircleA two-dimensional geometric figure, a line,...
2Middle Englishcircle
3Old Frenchcerclecircle
4Latincirculuscircle; An orbit; A ring, hoop
5Latin-ulusUsed to form a diminutive of a noun, indicating...
6Proto-Italic-olos
7Proto-Italic-elosForms desubstantival and deadjectival diminutive nouns
8Proto-Indo-European-e-lós
9Proto-Indo-European-lósForms agent nouns from verbal roots

via English circum

StepLanguageWordMeaning
1Englishcircum
Every word from Proto-Indo-European -lós