Where does “ca-ra” come from?

ca-ra (Vietnamese) comes from French carat, from Italian carato, from Arabic قِيرَاط, from Ancient Greek κεράτιον, from Ancient Greek κέρας, from Proto-Hellenic *kérats.

ca-ra (Vietnamese): carat

Definitions

carat

Ancestry of “ca-ra”, step by step

Step	Language	Word	Meaning
1	French	carat	carat
2	Italian	carato	carat; share; first-person singular present...
3	Arabic	قِيرَاط	carat; husk
4	Ancient Greek	κεράτιον	small horn; carat, 1⁄1728 of a pound; a Byzantine...
5	Ancient Greek	κέρας	horn; horn as a material, or anything made of...
6	Proto-Hellenic	*kérats	—

Every word from Proto-Hellenic *kérats →Every word from Ancient Greek κέρας →Every word from Ancient Greek κεράτιον →