Where does “quadrangularity” come from?

quadrangularity (English) comes from English quadrangular, from Latin quadrangularis, from Latin quadrangulum, from Latin quadrangulus, from Latin quattŭor, from Portuguese quarto, from Old Portuguese quarto, from Latin quārtus — and.

quadrangularity (English): The quality of being quadrangular

Definitions

  1. The quality of being quadrangular

Ancestry of “quadrangularity”, step by step

quadrangularity traces back through two separate lines of ancestry.

via English quadrangular

StepLanguageWordMeaning
1EnglishquadrangularHaving the shape of a quadrangle; in the shape of...
2Latinquadrangularisquadrangular
3Latinquadrangulumquadrangle
4Latinquadrangulusquadrangular
5Latinquattŭorfour; 4
6Portuguesequartoordinal form of quatro; fourth; quarter; fourth;...
7Old Portuguesequartoquarter
8Latinquārtusfourth
9Proto-Indo-Europeankʷeturtos
10Proto-Indo-Europeankʷetwóresfour
11Proto-Indo-Europeankʷe-and

via English ity

StepLanguageWordMeaning
1Englishity
2Ingrian-uUsed to form nouns from verbs
Every word from Proto-Indo-European kʷe-