Where does “buồn ngủ” come from?

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

buồn ngủ (Vietnamese): sleepy

Definitions

  1. sleepy

Ancestry of “buồn ngủ”, step by step

buồn ngủ traces back through two separate lines of ancestry.

via Vietnamese ngủ

StepLanguageWordMeaning
1Vietnamesengủto sleep
2Chinese
3Chinese
4Chinese

via Vietnamese buồn

StepLanguageWordMeaning
1Vietnamesebuồnsad; to have a strong need to do something; to...
2Middle Chinese
Every word from Chinese