Etymology
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sub-machine-gun (n.)

"light, portable machine gun," 1926, from sub- + machine-gun (n.).

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Turing machine (n.)
1937, named for English mathematician and computer pioneer Alan M. Turing (1912-1954), who described such a device in 1936.
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Machu Picchu 

15c.  Inca citadel high in the Andes Mountains of Peru, from Quechua (Inca) machu "old man" + pikchu "peak."

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machinator (n.)

"plotter, schemer. one who schemes with evil designs," 1610s, from Latin machinator, agent noun from past-participle stem of machinari "to design, contrive, plot," from machina "machine, engine; device, trick" (see machine (n.)).

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