Where does “càng đông càng vui” come from?

càng đông càng vui (Vietnamese) comes from Vietnamese đồng, from Vietnamese đất, from Proto-Vietic tət.

Ancestry of “càng đông càng vui”, step by step

càng đông càng vui traces back through 3 separate lines of ancestry.

via Vietnamese đồng

StepLanguageWordMeaning
1Vietnameseđồngfield; medium; sorcerer; copper
2Vietnameseđấtearth; soil; dirt; land
3Proto-Vietictət—

via Vietnamese vui

StepLanguageWordMeaning
1Vietnamesevuimerry; joyful; gay
2Proto-Vietict-puːjjoyful

via Vietnamese càng

StepLanguageWordMeaning
1VietnamesecàngWith a comparative or verb phrase, establishes a...
2Proto-Vieticgaːŋcrab pincers
Every word from Proto-Vietic tət →Every word from Vietnamese đất →Every word from Vietnamese đồng →