Where does “Navarro” come from?

Navarro (Tagalog) comes from Spanish Navarro, from Basque Nafarroa, from Icelandic nafar, from Old Norse nafarr, from Proto-Germanic nabōgaizaz, from Proto-Germanic gaizaz, from Proto-Indo-European ǵʰoysós, from Proto-Indo-European ǵʰey- — winter.

Ancestry of “Navarro”, step by step

StepLanguageWordMeaning
1SpanishNavarroNavarrese
2BasqueNafarroa—
3Icelandicnafarauger, gimlet; indefinite genitive singular of...
4Old Norsenafarrauger
5Proto-Germanicnabōgaizazauger
6Proto-Germanicgaizazspear, pike, javelin
7Proto-Indo-Europeanǵʰoysósthrowing spear
8Proto-Indo-Europeanǵʰey-winter
Every word from Proto-Indo-European ǵʰey- →Every word from Proto-Indo-European ǵʰoysós →Every word from Proto-Germanic gaizaz →