elevon (n.)

1640s, originally of muscles which raise a part of the body, from Latin elevator "one who raises up," agent noun from past participle stem of elevare (see elevate). As a name for a mechanical lift (originally for grain) attested from 1787. Elevator music for bland, low-volume background music meant to relax listeners is attested by 1963. Elevator as a lift for shoes is from 1940.

"hinged flap on the trailing edge of an airplane wing," 1909, from French aileron, diminutive of aile "wing," from Old French ele "wing" (12c.), from Latin ala "wing" (see aisle).