Where does “dùi mài” come from?

dùi mài (Vietnamese) comes from Vietnamese mài, from Proto-Vietic meːʔ, from Proto-Mon-Khmer meeʔ.

dùi mài (Vietnamese): studying hard and diligently

Definitions

  1. studying hard and diligently

Ancestry of “dùi mài”, step by step

StepLanguageWordMeaning
1Vietnamesemàito grind
2Proto-Vieticmeːʔ—
3Proto-Mon-Khmermeeʔ—
Every word from Proto-Mon-Khmer meeʔ →Every word from Proto-Vietic meːʔ →Every word from Vietnamese mài →