Where does “triangolo rettangolo” come from?
triangolo rettangolo (Italian) comes from Italian rettangolo, from Latin rectangulus, 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.
triangolo rettangolo (Italian): right triangle
Definitions
- right triangle
Ancestry of “triangolo rettangolo”, step by step
triangolo rettangolo traces back through two separate lines of ancestry.
via Italian rettangolo
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | Italian | rettangolo | right-angled; rectangle |
| 2 | Latin | rectangulus | rectangular |
| 3 | Latin | rēctus | led straight along, drawn in a straight line, straight, upright |
| 4 | Latin | regō | to rule, govern, direct |
| 5 | Proto-Italic | regō | — |
| 6 | Proto-Indo-European | h₃réǵeti | to be straightening, to be setting upright |
| 7 | Proto-Indo-European | h₃reǵ- | to straighten, to right oneself; right; just |
via Italian triangolo
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | Italian | triangolo | triangle; love triangle; ménage à trois;... |
| 2 | Latin | triangulum | triangle; nominative neuter singular of... |
| 3 | Latin | triangulus | triangular, three-cornered, three-sided;... |
| 4 | Latin | Angulus | A city of the Vestini, situated on a hill near the Adriatic Sea, now the town of Città Sant'Angelo |
| 5 | Proto-Indo-European | h₂engulos | joint? |
| 6 | Proto-Indo-European | h₂eng- | curve, bend |