Where does “incircle” come from?

incircle (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.

incircle (English): A circle within a polygon, especially a triangle,...

Definitions

  1. A circle within a polygon, especially a triangle,...

Ancestry of “incircle”, step by step

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
Every word from Proto-Indo-European -lós