(Translated by https://www.hiragana.jp/)
beche-de-mer | Etymology of beche-de-mer by etymonline
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beche-de-mer (n.)

sea-slug eaten as a delicacy in the Western Pacific, 1814, from French bêche-de-mer, literally "spade of the sea," a folk-etymology alteration of Portuguese bicho do mar "sea-slug," literally "worm of the sea."

also from 1814
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Trends of beche-de-mer

updated on October 06, 2022

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