Where does “nước ngoài” come from?

nước ngoài (Vietnamese) comes from Vietnamese người nước ngoài, from Vietnamese Người, from Proto-Vietic ŋaːj, from Proto-Mon-Khmer (m)ŋaaj — person, human being; human being; person.

nước ngoài (Vietnamese): a foreign country; foreign

Definitions

  1. a foreign country; foreign

Ancestry of “nước ngoài”, step by step

nước ngoài traces back through two separate lines of ancestry.

via Vietnamese người nước ngoài

StepLanguageWordMeaning
1Vietnamesengười nước ngoàia foreigner; an alien
2VietnameseNgườiYou/Thou/Thee, Jesus Christ; You/Thou/Thee, my...
3Proto-Vieticŋaːj
4Proto-Mon-Khmer(m)ŋaajperson, human being; human being; person

via Chinese 外國

StepLanguageWordMeaning
1Chinese外國foreign country
Every word from Proto-Mon-Khmer (m)ŋaajEvery word from Proto-Vietic ŋaːjEvery word from Vietnamese Người