Where does “alfiler” come from?

alfiler (Spanish) comes from Spanish alfilel, from Andalusian Arabic اَلْخِلَال, from Arabic خِلَال — pin, peg.

alfiler (Spanish): pin

Definitions

Step	Language	Word	Meaning
1	Spanish	alfilel	Archaic form of alfiler
2	Andalusian Arabic	اَلْخِلَال	—
3	Arabic	خِلَال	pin, peg

alfiler — Etymology, Origin & Word History | Etymology Explorer