Meaning

noun a native or naturalized member of a state or other political community

originFrom Middle English citeseyn (“inhabitant of a city or town”), citezein, citisein, from Anglo-Norman citesain (“city-dweller, town-dweller”), citesein, citezein, alteration of citeien from cite (“city”) + -ien (“-ain”) (probable variant of cithein perhaps influenced by dainzain (“denizen”), deinzein), from Old French cite (“city”) + -ien (whence French citoyen), from earlier citet, from Latin…

Etymology from Wiktionary, CC BY-SA 3.0