Where does “ba phải” come from?

ba phải (Vietnamese) comes from Vietnamese bà, from Chinese 爸, from Chinese 父, from Komodo paʔ, from Proto-Malayo-Polynesian əpat, from Proto-Austronesian Səpat — four.

ba phải (Vietnamese): saying “yes”, “right” or “okay” on every occasion; lacking any opinions of one's own; lacking a backbone

Definitions

  1. saying “yes”, “right” or “okay” on every occasion; lacking any opinions of one's own; lacking a backbone

Ancestry of “ba phải”, step by step

ba phải traces back through two separate lines of ancestry.

via Vietnamese

StepLanguageWordMeaning
1Vietnamesea grandmother; an old woman; an old lady; you, my...
2Chinese
3Chinese
4Komodopaʔfour
5Proto-Malayo-Polynesianəpatfour
6Proto-AustronesianSəpatfour

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
Every word from Proto-Austronesian Səpat