Where does “sắp tới” come from?

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

sắp tới (Vietnamese): coming up soon; forthcoming

Definitions

coming up soon; forthcoming

Ancestry of “sắp tới”, step by step

sắp tới traces back through two separate lines of ancestry.

via Vietnamese tối

Step	Language	Word	Meaning
1	Vietnamese	tối	dark; the duration from the late evening to the...
2	Vietnamese	tí	breast; a little bit; tiny; small
3	Middle Chinese	子	—
4	Proto-Sino-Tibetan	*tsəʔ	child, son, offspring; grandson; relatives; nephew/niece

via Vietnamese sắp

Step	Language	Word	Meaning
1	Vietnamese	sắp	about to; to arrange
2	Proto-Mon-Khmer	srap	ready, prepared

Every word from Proto-Sino-Tibetan *tsəʔ →Every word from Middle Chinese 子 →Every word from Vietnamese tí →