poudretteyoudaoicibaDictYouDict[poudrette 词源字典]
"Manure made from dried and powdered human excrement, usually mixed with another substance such as charcoal or gypsum", Mid 18th cent.; earliest use found in Philip Miller (1691–1771), horticulturist and writer. From French poudrette, specifically sense of poudrette very fine dust.[poudrette etymology, poudrette origin, 英语词源]