Where does “rolleron” come from?
rolleron (English) comes from English roll, from Middle English rolle, from Old French rolle, from Medieval Latin rotulus, from Latin rotula, from Arabic رَطْل, from Classical Syriac ܪܝܛܠܐ, from Classical Syriac ܠܝܛܪܐ — ingot.
rolleron (English): An aerodynamic control surface device, used to control against unwanted rolling (rotation) about the axis of movement. The moving wingtip is self-gyro-stabilized with a rolling bladed wheel catching the airstream, providing the gyroscopic moment
Definitions
- An aerodynamic control surface device, used to control against unwanted rolling (rotation) about the axis of movement. The moving wingtip is self-gyro-stabilized with a rolling bladed wheel catching the airstream, providing the gyroscopic moment
Ancestry of “rolleron”, step by step
rolleron traces back through two separate lines of ancestry.
via English roll
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | roll | To cause to revolve by turning over and over; to... |
| 2 | Middle English | rolle | — |
| 3 | Old French | rolle | registration |
| 4 | Medieval Latin | rotulus | a roll, list, catalogue, schedule, record, a... |
| 5 | Latin | rotula | a small wheel; roll |
| 6 | Arabic | رَطْل | — |
| 7 | Classical Syriac | ܪܝܛܠܐ | — |
| 8 | Classical Syriac | ܠܝܛܪܐ | libra, pound |
| 9 | French | litre | litre |
| 10 | Medieval Latin | litra | — |
| 11 | Ancient Greek | λίτρα | litra, a Sicilian silver coin; libra, a unit of... |
| 12 | Proto-Italic | *līðrā | ingot |
via English aileron
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | aileron | The hinged part on the trailing edge of an... |
| 2 | French | aileron | fin; flipper; aileron |
| 3 | French | ailé | winged; winglike; past participle of ailer |
| 4 | Middle French | aisle | wing |
| 5 | Old French | aile | wing (anatomical structure of flying animals) |
| 6 | Latin | āla | a wing appendage of an animal's body that enables it to fly |
| 7 | Latin | axla | — |
| 8 | Latin | axis | An axletree of wagon, car, chariot; The North... |
| 9 | Proto-Italic | aksis | — |
| 10 | Proto-Indo-European | h₂eḱs- | axis, axle |
| 11 | Proto-Indo-European | h₂eǵ- | to drive |