Where does “subquadrangular” come from?

subquadrangular (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.

subquadrangular (English): Nearly or imperfectly quadrangular

Definitions

  1. Nearly or imperfectly quadrangular

Ancestry of “subquadrangular”, step by step

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
Every word from Proto-Indo-European kʷe-