Where does “chữ nổi” come from?

chữ nổi (Vietnamese) comes from Vietnamese chữ, from Proto-Vietic cuːʔ, from Proto-Mon-Khmer cuuʔ — grandchild.

chữ nổi (Vietnamese): braille

Definitions

  1. braille

Ancestry of “chữ nổi”, step by step

chữ nổi traces back through two separate lines of ancestry.

via Vietnamese chữ

StepLanguageWordMeaning
1Vietnamesechữalphabet, writing system, script; letter,...
2Proto-Vieticcuːʔgrandchild; father's younger brother
3Proto-Mon-Khmercuuʔgrandchild

via Vietnamese nói

StepLanguageWordMeaning
1Vietnamesenóito speak, to talk, to say, to tell
2Chinese內—
Every word from Proto-Mon-Khmer cuuʔ →Every word from Proto-Vietic cuːʔ →Every word from Vietnamese chữ →