Where does “nhập cuộc” come from?

nhập cuộc (Vietnamese) comes from Vietnamese cuộc, from Chinese 局, from Proto-Sino-Tibetan *kəwk — to bend.

nhập cuộc (Vietnamese): to take part in; to be an insider; to join

Definitions

  1. to take part in; to be an insider; to join

Ancestry of “nhập cuộc”, step by step

nhập cuộc traces back through two separate lines of ancestry.

via Vietnamese cuộc

StepLanguageWordMeaning
1Vietnamesecuộcany large-scale, periodic event, such as a...
2Chinese局—
3Proto-Sino-Tibetan*kəwkto bend

via Vietnamese nhập

StepLanguageWordMeaning
1Vietnamesenhậpto enter, to join; to possess
2Middle Chinese入—
Every word from Proto-Sino-Tibetan *kəwk →Every word from Chinese 局 →Every word from Vietnamese cuộc →