Where does “chập tối” come from?

chập tối (Vietnamese) comes from Vietnamese tối, from Vietnamese tí, from Middle Chinese 子, from Proto-Sino-Tibetan *tsəʔ — child, son, offspring; grandson; relatives; nephew/niece.

chập tối (Vietnamese): dusk; nightfall; twilight; sundown

Definitions

  1. dusk; nightfall; twilight; sundown

Ancestry of “chập tối”, step by step

chập tối traces back through two separate lines of ancestry.

via Vietnamese tối

StepLanguageWordMeaning
1Vietnamesetốidark; the duration from the late evening to the...
2Vietnamesebreast; a little bit; tiny; small
3Middle Chinese
4Proto-Sino-Tibetan*tsəʔchild, son, offspring; grandson; relatives; nephew/niece

via Vietnamese chập

StepLanguageWordMeaning
1Vietnamesechậpto join two things together
Every word from Proto-Sino-Tibetan *tsəʔEvery word from Middle Chinese Every word from Vietnamese