Where does “नासिक” come from?

नासिक (Hindi) comes from Marathi नाशिक, from Sanskrit नासिका, from Sanskrit नासा, from Sanskrit नस्, from Proto-Indo-Iranian nás, from Proto-Indo-European nō̆s — we.

Ancestry of “नासिक”, step by step

Step	Language	Word	Meaning
1	Marathi	नाशिक	—
2	Sanskrit	नासिका	nose
3	Sanskrit	नासा	nose; proboscis; a piece of wood projecting like...
4	Sanskrit	नस्	accusative plural of अहम्; the nose, snout
5	Proto-Indo-Iranian	nás	—
6	Proto-Indo-European	nō̆s	we

Every word from Proto-Indo-European nō̆s →Every word from Proto-Indo-Iranian nás →Every word from Sanskrit नस् →