Where does “Vulcanalia” come from?

Vulcanalia (English) comes from Latin Vulcanalia, from Latin -ālia, from Latin -ālis, from Proto-Italic -ālis.

Ancestry of “Vulcanalia”, step by step

Step	Language	Word	Meaning
1	Latin	Vulcanalia	—
2	Latin	-ālia	—
3	Latin	-ālis	—
4	Proto-Italic	-ālis	—

Vulcanalia — Etymology, Origin & Word History | Etymology Explorer