Where does “khí trời” come from?

khí trời (Vietnamese) comes from Vietnamese trời, from Proto-Vietic b-ləːj, from Proto-Mon-Khmer briiʔ — sky; rain; forest.

khí trời (Vietnamese): fresh air; atmosphere

Definitions

  1. fresh air; atmosphere

Ancestry of “khí trời”, step by step

khí trời traces back through two separate lines of ancestry.

via Vietnamese trời

StepLanguageWordMeaning
1Vietnamesetrờithe sky; weather; a generic deification of the...
2Proto-Vieticb-ləːjsky
3Proto-Mon-Khmerbriiʔsky; rain; forest

via Vietnamese khí

StepLanguageWordMeaning
1VietnamesekhíClipping of không khí; gas; chi
2Proto-Vietickʰih—
Every word from Proto-Mon-Khmer briiʔ →Every word from Proto-Vietic b-ləːj →Every word from Vietnamese trời →