nước Tàu

Etymology
🇰🇲.

Noun

 * 1)  China

Usage notes
This term, and  may be considered derogatory in contemporary usage. However, historically, it was not considered derogatory. The origin of Tàu (meaning boat) was first used to refer to Ming Chinese refugees who fled to Vietnam via boat when the Qing Dynasty took over China. The remnants of Ming Chinese refugees are nowadays known as the people.