Where does “الحين” come from?

الحين (Arabic) comes from Arabic ال, from Proto-Semitic ʾil- — deity; god.

Ancestry of “الحين”, step by step

Step	Language	Word	Meaning
1	Arabic	ال	the
2	Proto-Semitic	ʾil-	deity; god

الحين — Etymology, Origin & Word History | Etymology Explorer