Where does “radio-” come from?
radio- (Latin) comes from Latin radius, from English -án, from Middle English -an.
Ancestry of “radio-”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Latin | radius | ray; staff, rod; spoke |
| 2 | English | -án | — |
| 3 | Middle English | -an | — |