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Science & TechnologyGreekEnglish

Automatic

/ˌɔːtəˈmætɪk/adjective

Working by itself once started, without a person guiding each step.

The Greek roots

αὐτός
autós
self
+
-ματος
-matos
striving, willing

Literally: acting of its own will

The story of the word

Homer's automatoi gates of Olympus swing open with nobody touching them, and the same adjective covers a plant that grows unsown and an event nobody arranged. The second half is not motion, whatever it looks like: it belongs to a verb of eagerness and will, kin to Latin mens. English took automatic in the 1700s for machinery, and the automatic pistol, the automatic transmission and the automatic teller followed, each one further from the will the word started with.

How it travelled
Ancient Greek → Modern Latin → English
First recorded
18th century

Same family

automatonautomobileautonomyautomation

In a sentence

The lights are automatic, which is why they go out whenever anyone sits still.

Built on the same root

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