Where does “servocontroller” come from?
servocontroller (English) comes from English controller, from Middle English countreroller, from Middle French contreroleur, from Anglo-Norman contreroulour, from Old French contreroler, from Old French contrerole, from Medieval Latin contrarotulum, from Medieval Latin rotulus — ingot.
servocontroller (English): A controller that uses a servomechanism
Definitions
- A controller that uses a servomechanism
Ancestry of “servocontroller”, step by step
servocontroller traces back through two separate lines of ancestry.
via English controller
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | controller | One who controls something; Any electric or... |
| 2 | Middle English | countreroller | — |
| 3 | Middle French | contreroleur | account-keeper; one who keeps a register, and... |
| 4 | Anglo-Norman | contreroulour | register-keeper |
| 5 | Old French | contreroler | — |
| 6 | Old French | contrerole | — |
| 7 | Medieval Latin | contrarotulum | a counter-roll or register used to verify... |
| 8 | Medieval Latin | rotulus | a roll, list, catalogue, schedule, record, a... |
| 9 | Latin | rotula | a small wheel; roll |
| 10 | Arabic | رَطْل | — |
| 11 | Classical Syriac | ܪܝܛܠܐ | — |
| 12 | Classical Syriac | ܠܝܛܪܐ | libra, pound |
| 13 | French | litre | litre |
| 14 | Medieval Latin | litra | — |
| 15 | Ancient Greek | λίτρα | litra, a Sicilian silver coin; libra, a unit of... |
| 16 | Proto-Italic | *līðrā | ingot |
via English servo
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | servo | A servomechanism or servomotor; To control by... |
| 2 | English | servomotor | An electric motor in a servomechanism, especially... |
| 3 | French | servo-moteur | — |
| 4 | Latin | motor | mover; that which moves something; first-person... |
| 5 | Latin | -tor | -er |
| 6 | Proto-Italic | -tōr | Forms agent nouns to verb stems |
| 7 | Proto-Indo-European | -tōr | Derives agent nouns from verbs, denoting someone... |
| 8 | Proto-Indo-European | -tor-s | — |