chervil (n.)youdaoicibaDictYouDict[chervil 词源字典]
type of herb, Old English cerfelle "chervil," from Latin chaerephyllum, from Greek khairephyllon; second element phyllon "leaf" (see phyllo-); first element perhaps from khairein "to rejoice" (see hortatory).[chervil etymology, chervil origin, 英语词源]