netiquette
noun /ˈnetɪkət/,  /ˈnetɪket/
  /ˈnetɪkət/,  /ˈnetɪket/
 [uncountable] (informal, humorous)- the rules of correct or polite behaviour among people using the internetTopics Phones, email and the internetc2Word Origin1990s: blend of the noun net and etiquette.