Where does “giếng dầu” come from?

giếng dầu (Vietnamese) comes from Vietnamese dầu, from Middle Chinese 油.

giếng dầu (Vietnamese): oil well

Definitions

  1. oil well

Ancestry of “giếng dầu”, step by step

giếng dầu traces back through two separate lines of ancestry.

via Vietnamese dầu

StepLanguageWordMeaning
1Vietnamesedầuoil; "Dipterocarpus"
2Middle Chinese油—

via Vietnamese giếng

StepLanguageWordMeaning
1Vietnamesegiếngwell
2Proto-Vietic-ciɛŋʔ—
Every word from Middle Chinese 油 →Every word from Vietnamese dầu →