Where does “ἄκανθα” come from?

ἄκανθα (Ancient Greek) comes from Ancient Greek ἄνθος, from Proto-Hellenic ántʰos, from Proto-Indo-European h₂éndʰos, from Proto-Indo-European -os — Creates action nouns or result nouns from verbs;...

ἄκανθα (Ancient Greek): A thorny plant; A thorn, spine, or prickle;...

Definitions

A thorny plant; A thorn, spine, or prickle;...

Ancestry of “ἄκανθα”, step by step

ἄκανθα traces back through two separate lines of ancestry.

via Ancient Greek ἄνθος

Step	Language	Word	Meaning
1	Ancient Greek	ἄνθος	flower, blossom, bloom; froth, scum; bloom, peak
2	Proto-Hellenic	ántʰos	flower, blossom
3	Proto-Indo-European	h₂éndʰos	bloom
4	Proto-Indo-European	-os	Creates action nouns or result nouns from verbs;...

via Ancient Greek ἀκή

Step	Language	Word	Meaning
1	Ancient Greek	ἀκή	point; silence; healing
2	Proto-Indo-European	h₂eḱ-	sharp

Words derived from “ἄκανθα”

Every word from Proto-Indo-European -os →Every word from Proto-Indo-European h₂éndʰos →Every word from Proto-Hellenic ántʰos →