Where does “áo ngủ” come from?

áo ngủ (Vietnamese) comes from Vietnamese ngủ, from Chinese 伍, from Chinese 亻, from Chinese 工.

áo ngủ (Vietnamese): sleepwear clothes [[wear

Definitions

  1. sleepwear clothes [[wear

Ancestry of “áo ngủ”, step by step

áo ngủ traces back through two separate lines of ancestry.

via Vietnamese ngủ

StepLanguageWordMeaning
1Vietnamesengủto sleep
2Chinese伍—
3Chinese亻—
4Chinese工—

via Vietnamese áo

StepLanguageWordMeaning
1Vietnameseáoa top; an outfit
2Proto-Vieticʔaːwʔ—
3Proto-Mon-Khmerʔaawʔupper garment
Every word from Chinese 工 →Every word from Chinese 亻 →Every word from Chinese 伍 →