champignon (n.)youdaoicibaDictYouDict[champignon 词源字典]
"mushroom," 1570s, from Middle French champignon (14c.), with change of suffix, from Old French champegnuel, from Vulgar Latin *campaniolus "that which grows in the field," from Late Latin campaneus "pertaining to the fields," from campania "level country" (see campaign (n.)).[champignon etymology, champignon origin, 英语词源]