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tranquilize

tran·quil·ize

Today it means: To calm (a person or animal) or put them to sleep using a tranquilizer dart. Full definition →

Middle French tranquiliser

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Middle French · derived fromtranquiliser
English todaytranquilize

From Middle French tranquiliser. Analyzable as tranquil + -ize.

Etymology from Wiktionary, CC BY-SA 4.0.