Where does “nai” come from?

nai (English) comes from Romanian nai, from Persian نای, from Persian نی, from Middle Persian 𐭫𐭠, from Proto-Iranian ná, from Proto-Indo-Iranian ná, from Proto-Indo-European né — not; no.

nai (English): barber; A Romanian diatonic pan flute used since...

Definitions

barber; A Romanian diatonic pan flute used since...

Ancestry of “nai”, step by step

nai traces back through two separate lines of ancestry.

via Romanian nai

Step	Language	Word	Meaning
1	Romanian	nai	a type of pan flute
2	Persian	نای	reed; reed-pipe; flute, flageolet, fife
3	Persian	نی	reed; cane; straw
4	Middle Persian	𐭫𐭠	not; no
5	Proto-Iranian	ná	—
6	Proto-Indo-Iranian	ná	no, not
7	Proto-Indo-European	né	not; no

via Hindi नाई

Step	Language	Word	Meaning
1	Hindi	नाई	barber, hairdresser
2	Sauraseni Prakrit	𑀡𑀸𑀯𑀺𑀤	—
3	Sanskrit	नापित	barber

Every word from Proto-Indo-European né →Every word from Proto-Indo-Iranian ná →Every word from Proto-Iranian ná →