Where does “tuần trăng” come from?

tuần trăng (Vietnamese) comes from Vietnamese trắng, from Proto-Vietic k-laŋʔ, from Proto-Mon-Khmer klaŋʔ.

tuần trăng (Vietnamese): lunation, a period from one new moon to the next

Definitions

  1. lunation, a period from one new moon to the next

Ancestry of “tuần trăng”, step by step

tuần trăng traces back through two separate lines of ancestry.

via Vietnamese trắng

StepLanguageWordMeaning
1Vietnamesetrắngwhite; pale
2Proto-Vietick-laŋʔwhite
3Proto-Mon-Khmerklaŋʔ—

via Vietnamese tuần

StepLanguageWordMeaning
1Vietnamesetuầna week; Clipping of đi tuần; Clipping of tuần tra
2Chinese巡—
Every word from Proto-Mon-Khmer klaŋʔ →Every word from Proto-Vietic k-laŋʔ →Every word from Vietnamese trắng →