Where does “sút kém” come from?

sút kém (Vietnamese) comes from Vietnamese kém, from French chou à la crème, from French crème, from Middle French chresme, from Old French cresme, from Late Latin crama, from Late Latin chrisma, from Ancient Greek χρῖσμα — to rub; to stroke; to grind.

sút kém (Vietnamese): to decrease; to become lower than before; to reduce

Definitions

to decrease; to become lower than before; to reduce

Ancestry of “sút kém”, step by step

sút kém traces back through two separate lines of ancestry.

via Vietnamese kém

Step	Language	Word	Meaning
1	Vietnamese	kém	less; lesser; bad; preceding
2	French	chou à la crème	cream puff
3	French	crème	cream; cool; café crème
4	Middle French	chresme	cream (milk product)
5	Old French	cresme	cream
6	Late Latin	crama	skim; nominative plural of crāmum; accusative...
7	Late Latin	chrisma	ointment
8	Ancient Greek	χρῖσμα	anointing, unction; wall coating, plaster
9	Ancient Greek	χρίω	to rub or smear (especially the body) with oil or unguents; to anoint
10	Proto-Indo-European	gʰrēy-	to smear; to paint, streak, smear
11	Proto-Indo-European	gʰer-	to rub; to stroke; to grind

via Vietnamese sút

Step	Language	Word	Meaning
1	Vietnamese	sút	to break off, to slip; to shoot
2	French	shooter	to shoot the ball forward in an attempt to place...
3	English	shoot	To launch a projectile; To move or act quickly or...
4	Middle English	shoten	—
5	Old English	sċēotan	to shoot
6	Proto-West Germanic	skeutan	to shoot
7	Proto-Germanic	skeutaną	to shoot
8	Proto-Indo-European	(s)kewd-	to advance, push; to drive, propel

Every word from Proto-Indo-European gʰer- →Every word from Proto-Indo-European gʰrēy- →Every word from Ancient Greek χρίω →