Where does “caroça” come from?

caroça (Portuguese) comes from Portuguese caroço, from Vulgar Latin carudium, from Ancient Greek καρύδιον, from Ancient Greek κάρυον, from Proto-Indo-European ḱerh₂- — head, top; horn.

caroça (Portuguese): the capsule of a flax plant

Definitions

the capsule of a flax plant

Ancestry of “caroça”, step by step

Step	Language	Word	Meaning
1	Portuguese	caroço	stone; any hard seed found inside a fruit; growth
2	Vulgar Latin	carudium	—
3	Ancient Greek	καρύδιον	—
4	Ancient Greek	κάρυον	nut
5	Proto-Indo-European	ḱerh₂-	head, top; horn

Every word from Proto-Indo-European ḱerh₂- →Every word from Ancient Greek κάρυον →Every word from Ancient Greek καρύδιον →