-ese +
(Latin: suffix from -ensis, of, belonging to, from [a place]; originating in [a city or country])
Examples of -ese words include Milanese architect, Vietnamese people, with corresponding nouns meaning "native" or "inhabitant of" (a Viennese, the Japanese), "language of" (Chinese, Portuguese), or, by extension, "typical style" or "vocabulary of", as in journalese, bureaucratese, Johnsonese, New Yorkese".