Where does “dầu đồng” come from?

dầu đồng (Vietnamese) comes from Vietnamese đồng, from Vietnamese đất, from Proto-Vietic tət.

dầu đồng (Vietnamese): Dipterocarpus tuberculatus

Definitions

  1. Dipterocarpus tuberculatus

Ancestry of “dầu đồng”, step by step

dầu đồng traces back through two separate lines of ancestry.

via Vietnamese đồng

StepLanguageWordMeaning
1Vietnameseđồngfield; medium; sorcerer; copper
2Vietnameseđấtearth; soil; dirt; land
3Proto-Vietictət

via Vietnamese dầu

StepLanguageWordMeaning
1Vietnamesedầuoil; "Dipterocarpus"
2Middle Chinese
Every word from Proto-Vietic tətEvery word from Vietnamese đấtEvery word from Vietnamese đồng