Where does “Cirsium” come from?

Cirsium (Translingual) comes from Ancient Greek κίρσιον, from Ancient Greek κιρσός, from Ancient Greek κρίκος, from Proto-Indo-European (s)ḱer- — dung, manure, filth; manure, dung, filth.

Cirsium (Translingual): genus

Definitions

genus

Ancestry of “Cirsium”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	κίρσιον	kind of thistle
2	Ancient Greek	κιρσός	varicocele, enlargement of a vein
3	Ancient Greek	κρίκος	ring
4	Proto-Indo-European	(s)ḱer-	dung, manure, filth; manure, dung, filth

Every word from Proto-Indo-European (s)ḱer- →Every word from Ancient Greek κρίκος →Every word from Ancient Greek κιρσός →