Where does “نظریان” come from?

نظریان (Persian) comes from Armenian Նազարյան, from Armenian -յան, from Old Armenian -եան, from Proto-Indo-European -iyn̥.

Ancestry of “نظریان”, step by step

Step	Language	Word	Meaning
1	Armenian	Նազարյան	—
2	Armenian	-յան	forming belonging/affiliation adjectives; forming...
3	Old Armenian	-եան	forming belonging/affiliation adjectives; forming...
4	Proto-Indo-European	-iyn̥	—