Where does “cascavel” come from?

cascavel (Catalan) comes from Latin cascabellus, from Latin cascabus, from Latin caccabus, from Ancient Greek κάκκαβος — a pot or a pan.

Ancestry of “cascavel”, step by step

Step	Language	Word	Meaning
1	Latin	cascabellus	small bell
2	Latin	cascabus	—
3	Latin	caccabus	Alternative form of cācabus; cooking pot; pot
4	Ancient Greek	κάκκαβος	a pot or a pan