Where does “nontriangular” come from?

nontriangular (English) comes from English triangular, from Latin triangulare, from French triangulaire, from Latin triangularis, from Latin triangulus, from Latin Angulus, from Proto-Indo-European h₂engulos, from Proto-Indo-European h₂eng- — curve, bend.

nontriangular (English): Not triangular

Definitions

  1. Not triangular

Ancestry of “nontriangular”, step by step

nontriangular traces back through two separate lines of ancestry.

via English triangular

StepLanguageWordMeaning
1EnglishtriangularShaped like a triangle; Of, or pertaining to,...
2Latintriangularenominative neuter singular of triangulāris;...
3Frenchtriangulairetriangular; three-way race, struggle etc
4Latintriangularistriangular
5Latintriangulustriangular, three-cornered, three-sided;...
6LatinAngulusA city of the Vestini, situated on a hill near the Adriatic Sea, now the town of Città Sant'Angelo
7Proto-Indo-Europeanh₂engulosjoint?
8Proto-Indo-Europeanh₂eng-curve, bend

via English non

StepLanguageWordMeaning
1EnglishnonObsolete form of none
2Frenchnonno; not; a no, a negative response
3Old Frenchnonno; not; Alternative form of nom
4Latinnōnnot
5Old Latinnoenum
6Proto-Indo-Europeanóynosone; single
Every word from Proto-Indo-European h₂eng-
nontriangular — Etymology, Origin & Word History | Etymology Explorer