Where does “Nowy” come from?

Nowy (Polish) comes from Old Polish nowy, from Proto-Slavic nòvъ, from Proto-Balto-Slavic náwas, from Proto-Indo-Aryan náwas, from Proto-Indo-European néwyos, from Proto-Indo-European néwos, from Proto-Indo-European new- — new; to nod, assent to.

Nowy (Polish): new