Where does “quadrangle” come from?

Quadrangle comes from Old French quadrangle, from Latin quadrangulum, derived from Latin quadrangulus, combining Latin angulus and ultimately tracing to Proto-Indo-European ang- and kauput-.

quadrangle (English): A geometric shape with four angles and four...

Definitions

  1. A geometric shape with four angles and four...

Ancestry of “quadrangle”, step by step

StepLanguageWordMeaning
1Middle Englishquadranglequadrangle
2Old Frenchquadranglequadrangle; quadrangular
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-