nước mắt (Vietnamese) comes from Vietnamese nước, from Proto-Vietic ɗaːk, from Proto-Mon-Khmer ɗaak — water; liquid; The sense of "river, stream" that...
nước mắt (Vietnamese): tear
Definitions
tear
Ancestry of “nước mắt”, step by step
nước mắt traces back through two separate lines of ancestry.