Complex sentence: Cantonese proper is the language native to the city of Canton, which is the traditional English name of Guangzhou, and later brought to Hong Kong and Macau; this narrow sense may be specified as "Canton language" or "Guangzhou language" in English.
Split into simpler sentences: Cantonese proper is the language native to the city of Canton, which is the traditional English name of Guangzhou. This narrow sense may be specified as "Canton language" or "Guangzhou language" in English.