Where does “dựng xây” come from?

dựng xây (Vietnamese) comes from Vietnamese đứng, from Chinese 容.

Ancestry of “dựng xây”, step by step

dựng xây traces back through two separate lines of ancestry.

via Vietnamese đứng

StepLanguageWordMeaning
1Vietnameseđứngto stand; be still
2Chinese容—

via Vietnamese xáy

StepLanguageWordMeaning
1Vietnamesexáyto dig (with a pointed tool); to hollow; to excavate; to scoop out
2Proto-Taiqrajegg
Every word from Chinese 容 →Every word from Vietnamese đứng →