Where does “nối chữ” come from?

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

nối chữ (Vietnamese): word chain

Definitions

  1. word chain

Ancestry of “nối chữ”, step by step

nối chữ 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 →