Where does “radian” come from?
Radian comes from English radius, from Latin radius meaning spoke or ray, ultimately from Proto-Italic -os.
radian (English): In the International System of Units, the derived...
Definitions
- In the International System of Units, the derived...
Ancestry of “radian”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | English | radius | The long bone in the forearm, on the side of the... |
| 2 | Latin | radius | ray; staff, rod; spoke |
| 3 | English | -án | — |
| 4 | Middle English | -an | — |
Words derived from “radian”