Where does “khí đốt” come from?

khí đốt (Vietnamese) comes from Vietnamese đốt, from Proto-Vietic tuːc, from Proto-Mon-Khmer t₁ut.

khí đốt (Vietnamese): natural gas (a mixture of gaseous hydrocarbons associated with petroleum deposits)

Definitions

  1. natural gas (a mixture of gaseous hydrocarbons associated with petroleum deposits)

Ancestry of “khí đốt”, step by step

khí đốt traces back through two separate lines of ancestry.

via Vietnamese đốt

StepLanguageWordMeaning
1Vietnameseđốtto burn, to set fire; to sting; joint; internode
2Proto-Vietictuːcto light; inter-node
3Proto-Mon-Khmert₁ut—

via Vietnamese khí

StepLanguageWordMeaning
1VietnamesekhíClipping of không khí; gas; chi
2Proto-Vietickʰih—
Every word from Proto-Mon-Khmer t₁ut →Every word from Proto-Vietic tuːc →Every word from Vietnamese đốt →