feuillemorte (adj.)youdaoicibaDictYouDict[feuillemorte 词源字典]
"of the color of a dead leaf," 1640s, fieulamort, from French feuille morte, literally "dead leaf" (see folio + mortal (adj.)). A word of loose spelling, variants include phyllamort, filemot, philomot.[feuillemorte etymology, feuillemorte origin, 英语词源]