Where does “Sîna” come from?

Sîna (Greenlandic) comes from Greenlandic Siina, from Danish Signe, 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 “Sîna”, step by step

StepLanguageWordMeaning
1GreenlandicSiina—
2DanishSigne—
3Old NorseSigný—
4Old NorseNýrname of a dwarf
5Proto-Germanic*niwjaz—
6Proto-Indo-EuropeannéwyosAlternative form of *néwos; new
7Proto-Indo-Europeannéwosnew
8Proto-Indo-Europeannew-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 →