Where does “fibularia” come from?

fibularia (Latin) comes from Latin fībulārius, from Latin fibula, from Latin -āris, from Latin -ālis, from Proto-Italic -ālis.

Ancestry of “fibularia”, step by step

Step	Language	Word	Meaning
1	Latin	fībulārius	—
2	Latin	fibula	clasp, buckle, brooch
3	Latin	-āris	—
4	Latin	-ālis	—
5	Proto-Italic	-ālis	—