Quiche

google

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French, from Alsatian dialect Küchen ; related to German Kuchen ‘cake’.

wiktionary

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Borrowed from French quiche, from LorraineRhine Franconian Küeche(“cake”), from Middle High German kuoche (German Kuchen, English kuchen), from Old High German kuocho, kuohho, from Proto-Germanic *kōkô (English cookie), from Proto-Indo-European *gog-(“ball-shaped object”), whence also English cake (via Proto-Germanic *kakǭ(“cake”)). Compare Persian کوکو‎ (kuku, “quiche”). More at cake.

(sexually alluring): Invented for the 2013 Australian TV sitcom Ja'mie: Private School Girl, where it is defined as "a step above hot".

etymonline

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quiche (n.)

"pastry case with a cooked, savory filling," a specialty of the Alsace-Lorraine region, 1949, from French quiche (1810), from Alsatian German Küche, diminutive of German Kuchen "cake" (see cake (n.)). The food became fashionable 1970s; became contemptible as indicative of wimpiness 1980s.