Where does “giãi bày” come from?

giãi bày (Vietnamese) comes from Vietnamese bày, from Proto-Vietic pər, from Persian پر, from Middle Persian purr, from Proto-Iranian pr̥Hnáh, from Proto-Indo-Iranian pr̥Hnás, from Proto-Indo-European pl̥h₁nós, from Proto-Indo-European pleh₁- — to fill.

giãi bày (Vietnamese): to make known (one's feelings)

Definitions

  1. to make known (one's feelings)

Ancestry of “giãi bày”, step by step

giãi bày traces back through two separate lines of ancestry.

via Vietnamese bày

StepLanguageWordMeaning
1Vietnamesebàyto arrange; to dispose; to display
2Proto-Vieticpərto fly
3Persianپرfull; feather; wing
4Middle Persianpurr
5Proto-Iranianpr̥Hnáhfull, filled
6Proto-Indo-Iranianpr̥Hnásfull, filled
7Proto-Indo-Europeanpl̥h₁nósfull
8Proto-Indo-Europeanpleh₁-to fill

via Vietnamese giãi

StepLanguageWordMeaning
1Vietnamesegiãito open (one's heart); to make known (one's feelings)
Every word from Proto-Indo-European pleh₁-Every word from Proto-Indo-European pl̥h₁nósEvery word from Proto-Indo-Iranian pr̥Hnás