Where does “ဝက်မ” come from?

ဝက်မ (Burmese) comes from Burmese ဝက်, from Proto-Sino-Tibetan pʷak — pig.

ဝက်မ (Burmese): sow

Definitions

Step	Language	Word	Meaning
1	Burmese	ဝက်	pig; to halve
2	Proto-Sino-Tibetan	pʷak	pig

ဝက်မ — Etymology, Origin & Word History | Etymology Explorer