Where does “torus” come from?

Torus comes from Latin torus, derived from Proto-Indo-European sterh₃-, ultimately from Proto-Indo-European ster-.

torus (English): A topological space which is a product of two...

Definitions

  1. A topological space which is a product of two...

Ancestry of “torus”, step by step

StepLanguageWordMeaning
1Latintorusa swelling, protuberance, bulge, knot; the...
2Proto-Indo-Europeansterh₃-to spread, extend, stretch out
3Proto-Indo-Europeanster-sterile, infertile

Words derived from “torus”

Every word from Proto-Indo-European ster- →Every word from Proto-Indo-European sterh₃- →Every word from Latin torus →