desquamateyoudaoicibaDictYouDict[desquamate 词源字典]
"(Of a layer of cells, e.g. of the skin) come off in scales or flakes", Early 18th century (in the sense 'remove the scales from'): from Latin desquamat- 'scaled', from the verb desquamare, from de- 'away from' + squama 'a scale'.[desquamate etymology, desquamate origin, 英语词源]