et·i·quette /ˈɛtɪkət, ˌkɛt/
禮儀,禮節,成規
Et·i·quette n. The forms required by good breeding, or prescribed by authority, to be observed in social or official life; observance of the proprieties of rank and occasion; conventional decorum; ceremonial code of polite society.
The pompous etiquette to the court of Louis the Fourteenth. --Prescott.
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etiquette
n : rules governing socially acceptable behavior