bonhomie (n.)youdaoicibaDictYouDict[bonhomie 词源字典]
"good nature," 1803, from French bonhomie "good nature, easy temper," from bonhomme "good man" (with unusual loss of -m-), from bon "good" (see bon) + homme "man," from Latin homo (see homunculus).[bonhomie etymology, bonhomie origin, 英语词源]