12 letters · 17 points in Scrabble
noun close observation of a person or group (usually by the police)
originUnadapted 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.
Etymology from Wiktionary, CC BY-SA 3.0