Where does “phải cái” come from?

phải cái (Vietnamese) comes from Vietnamese phải, from Chinese 派, from English Pi, from Ancient Greek πῖ, from Ancient Greek πεῖ, from Proto-Semitic pay- — the mouth.

phải cái (Vietnamese): Used to introduce a negative statement or clause: what a shame

Definitions

  1. Used to introduce a negative statement or clause: what a shame

Ancestry of “phải cái”, step by step

phải cái traces back through two separate lines of ancestry.

via Vietnamese phải

StepLanguageWordMeaning
1Vietnamesephảiright; correct; obverse
2Chinese
3EnglishPiThe sixteenth letter of the Classical and Modern Greek alphabets and the seventeenth in Old Greek
4Ancient GreekπῖAlternative form of πεῖ
5Ancient Greekπεῖpi, the name for the sixteenth letter Π, π of the...
6Proto-Semiticpay-the mouth

via Vietnamese cái

StepLanguageWordMeaning
1Vietnamesecáia thing; a whatsit; the solid bits of a broth;...
2Proto-Vietic-keːʔwoman, female
Every word from Proto-Semitic pay-