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surveillance

/sɚˈveɪ.ləns/ noun

Latin root: vigilāre Wiktionary

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about surveillance at Wordnik → Where our words come from →

  1. Close observation of a person or group (usually by the police).

Origin

Unadapted borrowing from French surveillance (“a watching over, overseeing, supervision”), from surveiller (“to watch, oversee”), from sur- (“over”) + veiller (“to watch”), from Middle French, from Old French veillier (“to stay awake”), from Latin vigilāre (“to be watchful”). More at vigilant.

From Wiktionary, via Kaikki.org (CC BY-SA)