Where does “chủ thầu” come from?

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

chủ thầu (Vietnamese): a main contractor; general contractor; foreman over subcontractors

Definitions

  1. a main contractor; general contractor; foreman over subcontractors

Ancestry of “chủ thầu”, step by step

chủ thầu 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 thầu

StepLanguageWordMeaning
1Vietnamesethầuto contract for
2Chinese鍮—
Every word from Proto-Mon-Khmer cuuʔ →Every word from Proto-Vietic cuːʔ →Every word from Vietnamese chữ →
chủ thầu — Etymology, Origin & Word History | Etymology Explorer