Where does “áo tràng” come from?

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

Ancestry of “áo tràng”, step by step

áo tràng traces back through two separate lines of ancestry.

via Vietnamese trắng

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

via Vietnamese áo

StepLanguageWordMeaning
1Vietnameseáoa top; an outfit
2Proto-Vieticʔaːwʔ
3Proto-Mon-Khmerʔaawʔupper garment
Every word from Proto-Mon-Khmer klaŋʔEvery word from Proto-Vietic k-laŋʔEvery word from Vietnamese trắng