Where does “torsion” come from?
torsion (Middle French) comes from Late Latin torsio, from Latin torqueō, from Proto-Indo-European terkʷ- — to turn, spin.
Ancestry of “torsion”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Late Latin | torsio | a wringing or griping; colic |
| 2 | Latin | torqueō | — |
| 3 | Proto-Indo-European | terkʷ- | to turn, spin |