Where does “ngủ ngày” come from?

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

ngủ ngày (Vietnamese): to sleep during the day, to be asleep in the daytime

Definitions

  1. to sleep during the day, to be asleep in the daytime

Ancestry of “ngủ ngày”, step by step

ngủ ngày traces back through two separate lines of ancestry.

via Vietnamese ngủ

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

via Vietnamese ngày

StepLanguageWordMeaning
1Vietnamesengàyday; date; daytime
2Proto-Vietict-ŋarʔto snore
Every word from Chinese 工 →Every word from Chinese 亻 →Every word from Chinese 伍 →
ngủ ngày — Etymology, Origin & Word History | Etymology Explorer