automaton (n.) Look up automaton at Dictionary.com
1610s, "a self-acting machine;" 1670s, "a living being acting mechanically," from Latin automaton (Suetonius), from noun use of Greek automaton, neuter of automatos "self-acting," from autos "self" (see auto-) + matos "thinking, animated, willing," from PIE *mn-to-, from root *men- (1) "to think, remember" (see mind (n.)).