Where does “rotor” come from?
Rotor is an English agent noun derived from rotate, which comes from Latin rotatus, the past participle of rotare, from rota meaning wheel, ultimately from Proto-Indo-European Hreth₂-.
rotor (English): A rotating part of a mechanical device, for...
Definitions
- A rotating part of a mechanical device, for...
Ancestry of “rotor”, step by step
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | rotator | One who or that which rotates; A muscle by which... |
| 2 | English | ‐or | Creates an agent noun, often from a verb, indicating a person or object (often machines or parts of them) that do the verb or part of speech with which they are formed |
| 3 | Middle English | -our | — |
| 4 | Old French | -eor | Alternative form of -or |
| 5 | Latin | -ator | -ator, -er; second-person singular future passive... |
| 6 | Latin | -tor | -er |
| 7 | Proto-Italic | -tōr | Forms agent nouns to verb stems |
| 8 | Proto-Indo-European | -tōr | Derives agent nouns from verbs, denoting someone... |
| 9 | Proto-Indo-European | -tor-s | — |