Where does “Signe” come from?

Signe (Swedish) comes from Old Norse Signý, from Old Norse Nýr, from Proto-Germanic *niwjaz, from Proto-Indo-European néwyos, from Proto-Indo-European néwos, from Proto-Indo-European new- — new; to nod, assent to.

Ancestry of “Signe”, step by step

Step	Language	Word	Meaning
1	Old Norse	Signý	—
2	Old Norse	Nýr	name of a dwarf
3	Proto-Germanic	*niwjaz	—
4	Proto-Indo-European	néwyos	Alternative form of *néwos; new
5	Proto-Indo-European	néwos	new
6	Proto-Indo-European	new-	new; to nod, assent to

Every word from Proto-Indo-European new- →Every word from Proto-Indo-European néwos →Every word from Proto-Indo-European néwyos →