Where does “nước ròng” come from?

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

nước ròng (Vietnamese): ebb tide; low tide

Definitions

  1. ebb tide; low tide

Ancestry of “nước ròng”, step by step

nước ròng traces back through two separate lines of ancestry.

via Vietnamese nước

StepLanguageWordMeaning
1Vietnamesenướcwater; liquid; fluid; the liquid part of a broth
2Proto-Vieticɗaːkwater, liquid
3Proto-Mon-Khmerɗaakwater; liquid; The sense of "river, stream" that...

via Vietnamese rộng

StepLanguageWordMeaning
1Vietnameserộnghaving lots of space, or spanning across great...
2Proto-Vieticroːŋʔ—
Every word from Proto-Mon-Khmer ɗaak →Every word from Proto-Vietic ɗaːk →Every word from Vietnamese nước →