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English word patrol comes from Vulgar Latin *patta, Vulgar Latin patta, and later Old French (842-ca. 1400) pade (Foot; paw (of an animal).)
*patta (Vulgar Latin)
patta (Vulgar Latin)
pade (Old French)
Foot; paw (of an animal).
patoiller (Old French)
patrouiller (French)
(intransitive) to patrol.
patrol (English)
(intransitive) To go the rounds along a chain of sentinels; to traverse a police district or beat.. (transitive) To go the rounds of, as a sentry, guard, or policeman.