Where does “مجر” come from?

مجر (Arabic) comes from Ottoman Turkish مجار, from Hungarian Magyar, from Old Hungarian mogyër, from Proto-Ugric mańćɜ.

Ancestry of “مجر”, step by step

Step	Language	Word	Meaning
1	Ottoman Turkish	مجار	—
2	Hungarian	Magyar	—
3	Old Hungarian	mogyër	—
4	Proto-Ugric	mańćɜ	—

مجر — Etymology, Origin & Word History | Etymology Explorer