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

  1. a swelling, protuberance, bulge, knot; the...

Ancestry of “torus”, step by step

StepLanguageWordMeaning
1Proto-Indo-Europeansterh₃-to spread, extend, stretch out
2Proto-Indo-Europeanster-sterile, infertile

Words derived from “torus

Every word from Proto-Indo-European ster-Every word from Proto-Indo-European sterh₃-