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