Etymology Explorer › English

Where does “keratotorus” come from?

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

keratotorus (English): A corneal herniation accompanied by severe...

Definitions

  1. A corneal herniation accompanied by severe...

Ancestry of “keratotorus”, step by step

StepLanguageWordMeaning
1EnglishtorusA topological space which is a product of two...
2Latintorusa swelling, protuberance, bulge, knot; the...
3Proto-Indo-Europeansterh₃-to spread, extend, stretch out
4Proto-Indo-Europeanster-sterile, infertile
Every word from Proto-Indo-European ster- →