Where does “sillybus” come from?

sillybus (Latin) comes from Latin sillybum, from Ancient Greek σίλλῠβον.

sillybus (Latin): A kind of thistle

Definitions

Step	Language	Word	Meaning
1	Latin	sillybum	—
2	Ancient Greek	σίλλῠβον	—

sillybus — Etymology, Origin & Word History | Etymology Explorer