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1640s, originally of muscles, from Latin elevator, 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 is attested by 1963. Elevator as a lift for shoes is from 1940.
elevator el·e·va·tor (ěl'ə-vā'tər)
A surgical instrument used to elevate tissues or to raise a sunken part, such as a depressed fragment of bone.
A dental instrument used to remove teeth or parts of teeth that cannot be gripped with a forceps or to loosen teeth and roots before using forceps.