Where does “octonion” come from?
octonion (English) comes from English quaternion, from Middle English quaternioun, from Latin quaterniō, from Latin quaternī, from Latin quaternus, from Latin quater, from Latin quattŭor, from Portuguese quarto — and.
octonion (English): An 8-dimensional nonassociative extension of a...
Definitions
- An 8-dimensional nonassociative extension of a...
Ancestry of “octonion”, step by step
octonion traces back through two separate lines of ancestry.
via English quaternion
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | quaternion | A group or set of four people or things; A word... |
| 2 | Middle English | quaternioun | An ancient Roman leader of a squad of four soldiers |
| 3 | Latin | quaterniō | The number four (e.g. on a dice) |
| 4 | Latin | quaternī | — |
| 5 | Latin | quaternus | four each; four at a time |
| 6 | Latin | quater | four times |
| 7 | Latin | quattŭor | four; 4 |
| 8 | Portuguese | quarto | ordinal form of quatro; fourth; quarter; fourth;... |
| 9 | Old Portuguese | quarto | quarter |
| 10 | Latin | quārtus | fourth |
| 11 | Proto-Indo-European | kʷeturtos | — |
| 12 | Proto-Indo-European | kʷetwóres | four |
| 13 | Proto-Indo-European | kʷe- | and |
via English la:octō
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | la:octō | — |