Where does “coi bói” come from?

coi bói (Vietnamese) comes from Vietnamese bói, from Proto-Mon-Khmer pul.

coi bói (Vietnamese): to consult a fortune-teller; to have one's fortune told

Definitions

  1. to consult a fortune-teller; to have one's fortune told

Ancestry of “coi bói”, step by step

coi bói traces back through two separate lines of ancestry.

via Vietnamese bói

StepLanguageWordMeaning
1Vietnamesebóito tell fortunes, to divine, to take an augury
2Proto-Mon-Khmerpul—

via Vietnamese cối

StepLanguageWordMeaning
1Vietnamesecốia mortar; the container of a rice mill; a rice...
2Proto-Vietict-koːlʔrice mortar
Every word from Proto-Mon-Khmer pul →Every word from Vietnamese bói →