Where does “polytorus” come from?

polytorus (English) comes from English poly, from Latin polium, from Latin polion, from Ancient Greek πόλιον, from Ancient Greek πολιός, from Proto-Hellenic poľľós, from Proto-Indo-European polH-yós, from Proto-Indo-European pelH- — pale, gray.

polytorus (English): The set of all vectors of a given dimension such that each element of the vector is within a radius r of the corresponding element of a central vector

Definitions

  1. The set of all vectors of a given dimension such that each element of the vector is within a radius r of the corresponding element of a central vector

Ancestry of “polytorus”, step by step

polytorus traces back through two separate lines of ancestry.

via English poly

StepLanguageWordMeaning
1EnglishpolyPolytechnic; Polyethylene; Polyurethane
2LatinpoliumAlternative form of polion
3LatinpolionA strong-smelling plant, perhaps Teucrium...
4Ancient Greekπόλιονfelty germander
5Ancient Greekπολιόςgrey, grizzled, grizzly; bright, clear, serene; a...
6Proto-Hellenicpoľľósgrey
7Proto-Indo-EuropeanpolH-yós
8Proto-Indo-EuropeanpelH-pale, gray

via English torus

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 pelH-Every word from Proto-Indo-European polH-yósEvery word from Proto-Hellenic poľľós