1
Stage 1 of 3
automatos
Greek · ancient
"self-acting"
'acting of itself'; Hero of Alexandria described self-moving devices in the first century
2
Stage 2 of 3
automaton
Latin · ancient
"automaton"
a self-moving machine
3
Stage 3 of 3
automaton
English · 1610s
"mechanical figure"
clockwork automata became marvels of 1700s Europe
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