Where does “mùa thu” come from?

mùa thu (Vietnamese) comes from Vietnamese thứ, from Chinese 首, from Proto-Sino-Tibetan *qV-luʔ — head.

mùa thu (Vietnamese): autumn, fall

Definitions

  1. autumn, fall

Ancestry of “mùa thu”, step by step

mùa thu traces back through two separate lines of ancestry.

via Vietnamese thứ

StepLanguageWordMeaning
1Vietnamesethứinferior in quality, second, second vice, under;...
2Chinese首neck
3Proto-Sino-Tibetan*qV-luʔhead

via Vietnamese mưa

StepLanguageWordMeaning
1Vietnamesemưarain; to rain
2Proto-Vietick-maːrain
3Proto-Mon-Khmergmaʔ—
Every word from Proto-Sino-Tibetan *qV-luʔ →