Where does “vợ lớn” come from?

vợ lớn (Vietnamese) comes from Vietnamese lớn, from French galon, from Latin galum, from Vulgar Latin *galla, from Gaulish gallā, from Proto-Germanic gallǭ, from Proto-Indo-European ǵʰelh₃- — to flourish; green, yellow.

vợ lớn (Vietnamese): the first wife of a polygamous man

Definitions

the first wife of a polygamous man

Ancestry of “vợ lớn”, step by step

vợ lớn traces back through two separate lines of ancestry.

via Vietnamese lớn

Step	Language	Word	Meaning
1	Vietnamese	lớn	big; large; grown-up; adult; great; grand
2	French	galon	braid; stripe
3	Latin	galum	—
4	Vulgar Latin	*galla	—
5	Gaulish	gallā	vessel
6	Proto-Germanic	gallǭ	gall, bile
7	Proto-Indo-European	ǵʰelh₃-	to flourish; green, yellow

via Vietnamese vô

Step	Language	Word	Meaning
1	Vietnamese	vô	to enter; to go into; to toast; emphasizing...
2	Vietnamese	vụ	season; case, affair; specialized department...
3	Chinese	務	—
4	Sino-Tibetan	*mow	—

Every word from Proto-Indo-European ǵʰelh₃- →