Where does “torus” come from?

torus (Finnish) comes from Latin torus, from Proto-Indo-European sterh₃-, from Proto-Indo-European ster- — sterile, infertile.

torus (Finnish): torus; Second-person singular imperative present...

Definitions

  1. torus; Second-person singular imperative present...

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