Where does “Đàng Ngoài” come from?

Đàng Ngoài (Vietnamese) comes from Vietnamese đáng, from Proto-Vietic taŋʔ, from Proto-Mon-Khmer kt₂aŋ — bitter.

Đàng Ngoài (Vietnamese): Northern Vietnam during the 17th–18th centuries

Definitions

  1. Northern Vietnam during the 17th–18th centuries

Ancestry of “Đàng Ngoài”, step by step

Đàng Ngoài traces back through two separate lines of ancestry.

via Vietnamese đáng

StepLanguageWordMeaning
1Vietnameseđángworthy, worth; to deserve, to merit
2Proto-Vietictaŋʔbitter
3Proto-Mon-Khmerkt₂aŋbitter

via Vietnamese ngoài

StepLanguageWordMeaning
1Vietnamesengoàioutside, exterior; outside, out of; in, inside
2Middle Chinese外—
Every word from Proto-Mon-Khmer kt₂aŋ →Every word from Proto-Vietic taŋʔ →Every word from Vietnamese đáng →