Where does “مهمز” come from?

مهمز (Ottoman Turkish) comes from Persian مهمیز, from Arabic مِهْمَاز — spur.

Ancestry of “مهمز”, step by step

Step	Language	Word	Meaning
1	Persian	مهمیز	spur
2	Arabic	مِهْمَاز	spur

مهمز — Etymology, Origin & Word History | Etymology Explorer