etiquette
/ˈetɪket/noun
mass noun
- the customary code of polite behaviour in society or among members of a particular profession or group礼节, 礼仪; （行业或群体成员间的）行为准则, 规矩。
词源
mid 18th cent.: from French étiquette 'list of ceremonial observances of a court', also 'label, etiquette', from Old French estiquette （see TICKET）.