Where does “rectangular” come from?

rectangular (Spanish) comes from Spanish rectángulo, from Latin rectangulum, from Latin rēctus, from Latin regō, from Proto-Italic regō, from Proto-Indo-European h₃réǵeti, from Proto-Indo-European h₃reǵ- — to straighten, to right oneself; right; just.

rectangular (Spanish): rectangular

Definitions

  1. rectangular

Ancestry of “rectangular”, step by step

StepLanguageWordMeaning
1Spanishrectángulorectangle
2Latinrectangulumnominative neuter singular of rēctangulus;...
3Latinrēctusled straight along, drawn in a straight line, straight, upright
4Latinregōto rule, govern, direct
5Proto-Italicregō
6Proto-Indo-Europeanh₃réǵetito be straightening, to be setting upright
7Proto-Indo-Europeanh₃reǵ-to straighten, to right oneself; right; just
Every word from Proto-Indo-European h₃reǵ-
rectangular — Etymology, Origin & Word History | Etymology Explorer