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Compare Chinese 雙眼皮 /双眼皮 (shuāngyǎnpí), from 雙／双 (shuāng, “double”) + 眼皮 (yǎnpí, “eyelid”).
Etymology from Wiktionary, CC BY-SA 4.0.
double eyelid
Today it means: An upper eyelid that has a noticeable fold when the eye is open; typical of Caucasian eyes. Full definition →