Where does “quadratic” come from?
Quadratic comes from French quadratique, from the Latin suffix -icus and Latin caput meaning head, ultimately from Proto-Indo-European -kos.
quadratic (English): square-shaped; of a polynomial, involving the...
Definitions
- square-shaped; of a polynomial, involving the...
Ancestry of “quadratic”, step by step
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | French | quadratique | quadratic |
| 2 | Latin | quadrātus | square, squared, having been made square, made into a square shape |
| 3 | Latin | quadrō | to make four-cornered, square, make square |
| 4 | Latin | quādrus | square |
| 5 | Latin | quattŭor | four; 4 |
| 6 | Portuguese | quarto | ordinal form of quatro; fourth; quarter; fourth;... |
| 7 | Old Portuguese | quarto | quarter |
| 8 | Latin | quārtus | fourth |
| 9 | Proto-Indo-European | kʷeturtos | — |
| 10 | Proto-Indo-European | kʷetwóres | four |
| 11 | Proto-Indo-European | kʷe- | and |