Where does “แม่น้ำโขง” come from?

แม่น้ำโขง (Thai) comes from Thai แม่น้ำ, from Thai น้ำ, from Proto-Tai *C̬.namꟲ — water.

Ancestry of “แม่น้ำโขง”, step by step

แม่น้ำโขง traces back through two separate lines of ancestry.

via Thai แม่น้ำ

StepLanguageWordMeaning
1Thaiแม่น้ำriver
2Thaiน้ำwater; any liquid or fluid; body of water, as...
3Proto-Tai*C̬.namꟲwater

via Thai โขง

StepLanguageWordMeaning
1Thaiโขงrancid
Every word from Proto-Tai *C̬.namꟲ →Every word from Thai น้ำ →Every word from Thai แม่น้ำ →