Where does “pollegar” come from?

pollegar (Old Portuguese) comes from Latin pollicāris, from Latin -āris, from Latin -ālis, from Proto-Italic -ālis.

Ancestry of “pollegar”, step by step

Step	Language	Word	Meaning
1	Latin	pollicāris	—
2	Latin	-āris	—
3	Latin	-ālis	—
4	Proto-Italic	-ālis	—