Where does “肉包” come from?

肉包 (Min Nan) comes from Chinese 肉, from Proto-Sino-Tibetan s-nja-k — meat, flesh.

Ancestry of “肉包”, step by step

Step	Language	Word	Meaning
1	Chinese	肉	—
2	Proto-Sino-Tibetan	s-nja-k	meat, flesh

肉包 — Etymology, Origin & Word History | Etymology Explorer