Cantonese
n.
1816, from Canton, former transliteration of the name of the Chinese region now known in English as Guangzhou. The older form of the name is from the old British-run, Hong Kong-based Chinese postal system. As an adjective from 1840.
〔李〕n. 广州人;广州话 ←-ese [OF] 表示“…地方的人或语言;…派的文体或用语”