Where does “nonquadrilateral” come from?

nonquadrilateral (English) comes from English non, from French non, from Old French non, from Latin nōn, from Old Latin noenum, from Proto-Indo-European óynos — one; single.

nonquadrilateral (English): Not quadrilateral

Definitions

  1. Not quadrilateral

Ancestry of “nonquadrilateral”, step by step

nonquadrilateral traces back through two separate lines of ancestry.

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

via English quadrilateral

StepLanguageWordMeaning
1EnglishquadrilateralA polygon with four sides; An area defended by...
2New Latinquadrilaterus
Every word from Proto-Indo-European óynosEvery word from Old Latin noenumEvery word from Latin nōn