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c.1200, from Old English cycene, from West Germanic *kokina (cf. Middle Dutch cökene, Old High German chuhhina, German Küche, Danish kjøkken), probably borrowed from Vulgar Latin *cocina (cf. French cuisine, Spanish cocina), variant of Latin coquina "kitchen," from fem. of coquinus "of cooks," from coquus "cook," from coquere "to cook" (see cook (n.)).
The Old English word might be directly from Vulgar Latin. Kitchen cabinet "informal but powerful set of advisors" is American English slang, 1832, originally in reference to administration of President Andrew Jackson. Kitchen midden (1863) in archaeology translates Danish kjøkken mødding. Surname Kitchener ("one in charge of a monastic kitchen") is from early 14c. Old English also had cycenðenung "service in the kitchen."
[fr British dialect kist or German Kiste, ''chest, box,'' transferred to the buttocks perhaps by the pickpocket sense or by the notion that something may be concealed in the rectum]