To remove a petticoat from; to undress or divest of undergarments.
From de- (remove) + petticoat (a woman's undergarment), emerging in 18th-century usage when writers humorously described removing such clothing.
Fashion history is hilarious when you dig into old words—depetticoat sounds funny now, but it shows how much literature used to focus on the detailed layers of women's clothing that we barely think about today.
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