O.E.
cycene, from W.Gmc.
*kocina (cf. M.Du.
cökene, O.H.G.
chuhhina, Ger.
Küche, Dan.
kjøkken), probably borrowed from V.L.
*cocina (cf. Fr.
cuisine, Sp.
cocina), variant of L.
coquina "kitchen," from fem. of
coquinus "of cooks," from
coquus "cook," from
coquere "to cook" (see
cook (n.)).
Kitchen cabinet "informal but powerful set of advisors" is Amer.Eng. slang, 1832, originally in ref. to administration of President Andrew Jackson.
Kitchen midden (1863) in archaeology translates Dan.
kjøkken mødding. The New York City neighborhood of
Hell's Kitchen is first attested 1894.
Kitchenette is from 1910, Amer.Eng. Phrase
everything but the kitchen sink is from World War II armed forces slang, in ref. to intense bombardment.