Where does “quadkey” come from?
quadkey (English) comes from English quad, from English quadricycle, from English quadri-, from Latin quattŭor, from Portuguese quarto, from Old Portuguese quarto, from Latin quārtus, from Proto-Indo-European kʷeturtos — and.
quadkey (English): A key into a quadtree data structure
Definitions
- A key into a quadtree data structure
Ancestry of “quadkey”, step by step
quadkey traces back through two separate lines of ancestry.
via English quad
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | quad | Four shots of espresso; A kind of round-robin... |
| 2 | English | quadricycle | A four-wheeled pedal cycle; A four-wheeled... |
| 3 | English | quadri- | API; Four |
| 4 | Latin | quattŭor | four; 4 |
| 5 | Portuguese | quarto | ordinal form of quatro; fourth; quarter; fourth;... |
| 6 | Old Portuguese | quarto | quarter |
| 7 | Latin | quārtus | fourth |
| 8 | Proto-Indo-European | kʷeturtos | — |
| 9 | Proto-Indo-European | kʷetwóres | four |
| 10 | Proto-Indo-European | kʷe- | and |