Where does “rectangular” come from?

rectangular (Romanian) comes from French rectangulaire, from French rectangle, 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 (Romanian): rectangular

Definitions

  1. rectangular

Ancestry of “rectangular”, step by step

StepLanguageWordMeaning
1Frenchrectangulairerectangular
2Frenchrectanglerectangle; right-angled
3Latinrectangulumnominative neuter singular of rēctangulus;...
4Latinrēctusled straight along, drawn in a straight line, straight, upright
5Latinregōto rule, govern, direct
6Proto-Italicregō
7Proto-Indo-Europeanh₃réǵetito be straightening, to be setting upright
8Proto-Indo-Europeanh₃reǵ-to straighten, to right oneself; right; just
Every word from Proto-Indo-European h₃reǵ-Every word from Proto-Indo-European h₃réǵetiEvery word from Proto-Italic regō
rectangular — Etymology, Origin & Word History | Etymology Explorer