Where does “kem đánh răng” come from?

kem đánh răng (Vietnamese) comes from Vietnamese đánh răng, from Vietnamese đánh, from Chinese 打, from English dozen, from Middle English dozen, from Old French dozaine, from Old French doze, from Vulgar Latin dodeci — Creates verbal adjectives from roots.

kem đánh răng (Vietnamese): toothpaste

Definitions

toothpaste

Ancestry of “kem đánh răng”, step by step

kem đánh răng traces back through two separate lines of ancestry.

via Vietnamese đánh răng

Step	Language	Word	Meaning
1	Vietnamese	đánh răng	to brush one's teeth
2	Vietnamese	đánh	to strike, usually with your palms or a weapon;...
3	Chinese	打	—
4	English	dozen	A set of twelve; A large, unspecified number of,...
5	Middle English	dozen	—
6	Old French	dozaine	a group of twelve
7	Old French	doze	twelve
8	Vulgar Latin	dodeci	—
9	Latin	duodecim	twelve; 12; dozen
10	Latin	decem	ten; 10
11	Latin	-nus	-an
12	Proto-Italic	-nos	Creates verbal adjectives from verb stems
13	Proto-Indo-European	-nós	Creates verbal adjectives from roots

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

Every word from Proto-Indo-European -nós →Every word from Latin -nus →Every word from Latin decem →