Where does “اَلْخِلَال” come from?

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

Ancestry of “اَلْخِلَال”, step by step

Step	Language	Word	Meaning
1	Arabic	خِلَال	pin, peg

اَلْخِلَال — Etymology, Origin & Word History | Etymology Explorer