Where does “polyquadratic” come from?

polyquadratic (English) comes from English quadratic, from French quadratique, from Latin quadrātus, from Latin quadrō, from Latin quādrus, from Latin quattŭor, from Portuguese quarto, from Old Portuguese quarto — and.

polyquadratic (English): Involving multiple quadratic equations or...

Definitions

  1. Involving multiple quadratic equations or...

Ancestry of “polyquadratic”, step by step

polyquadratic traces back through two separate lines of ancestry.

via English quadratic

StepLanguageWordMeaning
1Englishquadraticsquare-shaped; of a polynomial, involving the...
2Frenchquadratiquequadratic
3Latinquadrātussquare, squared, having been made square, made into a square shape
4Latinquadrōto make four-cornered, square, make square
5Latinquādrussquare
6Latinquattŭorfour; 4
7Portuguesequartoordinal form of quatro; fourth; quarter; fourth;...
8Old Portuguesequartoquarter
9Latinquārtusfourth
10Proto-Indo-Europeankʷeturtos
11Proto-Indo-Europeankʷetwóresfour
12Proto-Indo-Europeankʷe-and

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
Every word from Proto-Indo-European kʷe-