Where does “giếng trời” come from?

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

giếng trời (Vietnamese): an atrium

Definitions

  1. an atrium

Ancestry of “giếng trời”, step by step

giếng 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 giếng

StepLanguageWordMeaning
1Vietnamesegiếngwell
2Proto-Vietic-ciɛŋʔ—
Every word from Proto-Mon-Khmer briiʔ →Every word from Proto-Vietic b-ləːj →Every word from Vietnamese trời →