putrescent (adj.)youdaoicibaDictYouDict[putrescent 词源字典]
1732, a back-formation from putrescence, or else from Latin putrescentem (nominative putrescens), present participle of putrescere "grow rotten, moulder, decay," inchoative of putrere "be rotten" (see putrid).[putrescent etymology, putrescent origin, 英语词源]