Where does “torus” come from?
torus (Latin) comes from Proto-Indo-European sterh₃-, from Proto-Indo-European ster- — sterile, infertile.
torus (Latin): a swelling, protuberance, bulge, knot; the...
Definitions
- a swelling, protuberance, bulge, knot; the...
Ancestry of “torus”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Proto-Indo-European | sterh₃- | to spread, extend, stretch out |
| 2 | Proto-Indo-European | ster- | sterile, infertile |
Words derived from “torus”