Other Word Forms
Origin of flan
- French from Old French flaon from Late Latin fladō fladōn- flat cake of Germanic origin plat- in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition
- (1846) French flan (“cheesecake, custard tart, flan”), from Old French flaon, from Late Latin fladonem, accusative of flado (“flat cake”), from Old Frankish *flado (“flat cake”), from Proto-Germanic *flaþô (“flat cake”), from Proto-Indo-European *plat-, *pla- (“flat, broad”), from Proto-Indo-European *pele- (“to spread out, broad, flat”). Akin to Old High German flado (“flat cake, offering cake”). More at flathe.
- English, from a slip of the tongue by actor Nathan Fillion