Meaning

noun rules governing socially acceptable behavior

origin1740, from French étiquette (“property, a little piece of paper, or a mark or title, affixed to a bag or bundle, expressing its contents, a label, ticket”), from Middle French estiquette (“ticket, memorandum”), from the Old French verb estechier, estichier, estequier (“to attach, stick”), (compare Picard estiquier (“to stick, pierce”)), from Frankish *stekan, *stikkjan (“to stick, pierce,…

Etymology from Wiktionary, CC BY-SA 3.0