Where does “vô đáy” come from?

vô đáy (Vietnamese) comes from Vietnamese vô, from Vietnamese vụ, from Chinese 務, from Sino-Tibetan *mow.

vô đáy (Vietnamese): endless; limitless; boundless

Definitions

  1. endless; limitless; boundless

Ancestry of “vô đáy”, step by step

vô đáy traces back through two separate lines of ancestry.

via Vietnamese vô

StepLanguageWordMeaning
1Vietnamesevôto enter; to go into; to toast; emphasizing...
2Vietnamesevụseason; case, affair; specialized department...
3Chinese務—
4Sino-Tibetan*mow—

via Vietnamese đáy

StepLanguageWordMeaning
1Vietnameseđáythe inside bottom of a container, as opposed to a...
2Chinese底—
3Middle Chinese等—
Every word from Sino-Tibetan *mow →Every word from Chinese 務 →Every word from Vietnamese vụ →