Where does “شاهین” come from?

شاهین (Ottoman Turkish) comes from Persian شاهین, from Pahlavi *šāhēn.

Ancestry of “شاهین”, step by step

Step	Language	Word	Meaning
1	Persian	شاهین	falcon, especially the Barbary falcon; pointer of...
2	Pahlavi	*šāhēn	—

شاهین — Etymology, Origin & Word History | Etymology Explorer