Where does “nișam” come from?

nișam (Romanian) comes from Ottoman Turkish نشان, from Classical Persian نِشَان, from Persian نیشان, from Middle Persian nyšʾn', from Proto-Iranian ni-, from Proto-Indo-Iranian ní, from Proto-Indo-European ni — down.

nișam (Romanian): Ottoman decoration

Definitions

Ottoman decoration

Ancestry of “nișam”, step by step

Step	Language	Word	Meaning
1	Ottoman Turkish	نشان	sign, mark, symbol, indicator; stamp; target
2	Classical Persian	نِشَان	—
3	Persian	نیشان	sign, mark
4	Middle Persian	nyšʾn'	mark, sign; banner
5	Proto-Iranian	ni-	down
6	Proto-Indo-Iranian	ní	down, downwards; in, into
7	Proto-Indo-European	ni	down

Every word from Proto-Indo-European ni →Every word from Proto-Indo-Iranian ní →Every word from Proto-Iranian ni- →