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Automaton

/ɔːˈtɒmətən/noun

A machine that operates on its own, or a person behaving mechanically.

The Greek roots

αὐτόματος
autómatos
self-acting, spontaneous

Literally: self-acting thing

The story of the word

The Greek word is a neuter adjective doing duty as a noun: the self-acting thing. Homer has the gates of Olympus swing open αὐτόμαται in the Iliad and Hephaestus forging golden attendants that move by themselves, so the idea is as old as the vocabulary. English took automaton in the early 1600s for clockwork figures, and technical writing still resists automatons in favour of the Greek plural automata.

How it travelled
Ancient Greek → Latin → English
First recorded
1610s

The same roots elsewhere

Other languages reached for exactly the same Greek pieces.

Same family

automaticautonomyautopsyautomobile

In a sentence

The eighteenth-century automaton could write three sentences with a quill.

A finite automaton has states, transitions and nothing else.

Built on the same root

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