Where does “Proto-Norse” come from?

Proto-Norse (English) comes from English proto, from English proto-, from Ancient Greek πρωτο-, from Ancient Greek πρῶτος, from Ancient Greek πρό, from Proto-Indo-European pró, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.

Proto-Norse (English): An Indo-European language spoken in Scandinavia and ancestral to Old Norse that evolved from Proto-Germanic over the first centuries AD

Definitions

  1. An Indo-European language spoken in Scandinavia and ancestral to Old Norse that evolved from Proto-Germanic over the first centuries AD

Ancestry of “Proto-Norse”, step by step

Proto-Norse traces back through two separate lines of ancestry.

via English proto

StepLanguageWordMeaning
1EnglishprotoPrototypical; preceding the proper beginning of...
2Englishproto-first; most recent common ancestor of; Relating...
3Ancient Greekπρωτο-first, primary
4Ancient Greekπρῶτοςfirst; earliest; foremost, most prominent
5Ancient Greekπρόbefore; before, in front, forth, forward; before,...
6Proto-Indo-Europeanprótoward, leading to
7Proto-Indo-Europeanper-before, in front; first; to go through
8Proto-Indo-Europeanpr̥tóspassed , crossed

via English Norse

StepLanguageWordMeaning
1EnglishNorseOf or relating to the people, language and...
2DanishnorskNorwegian; the Norwegian language
3Old Danishnornst
4Old Norsenorrœnnnorthern
5Old Norsenorðrœnnnorthern
6Proto-Germanicnurþrōnijaznorthern
7Proto-Germanicnurþraznorth, northern
8Proto-Indo-European*nérbelow the surface, below
Every word from Proto-Indo-European pr̥tósEvery word from Proto-Indo-European per-Every word from Proto-Indo-European pró