Where does “nước chấm” come from?

nước chấm (Vietnamese) comes from Vietnamese nước, from Proto-Vietic ɗaːk, from Proto-Mon-Khmer ɗaak — water; liquid; The sense of "river, stream" that...

nước chấm (Vietnamese): Any thin, salty dip used in Vietnamese cuisine,...

Definitions

Any thin, salty dip used in Vietnamese cuisine,...

Ancestry of “nước chấm”, step by step

nước chấm traces back through two separate lines of ancestry.

via Vietnamese nước

Step	Language	Word	Meaning
1	Vietnamese	nước	water; liquid; fluid; the liquid part of a broth
2	Proto-Vietic	ɗaːk	water, liquid
3	Proto-Mon-Khmer	ɗaak	water; liquid; The sense of "river, stream" that...

via Vietnamese chấm

Step	Language	Word	Meaning
1	Vietnamese	chấm	dot, point; to dip

Every word from Proto-Mon-Khmer ɗaak →Every word from Proto-Vietic ɗaːk →Every word from Vietnamese nước →