Where does “Proto-World” come from?

Proto-World (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.

Ancestry of “Proto-World”, step by step

Proto-World 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 World

StepLanguageWordMeaning
1EnglishWorldThe specific world, or any of several specific constituent worlds, that humans live in, among any other (real or possible) worlds
2Middle EnglishworldThe world, the planet; A dimension, realm, or...
3Old Englishweoroldworld
4Proto-West Germanicweraldiworld
5Proto-Germanicweraldizlifetime, worldly existence; mankind; world
6Proto-Germanicwerazman; husband
7Proto-Indo-EuropeanwiHrósman; husband; warrior, hero
8Proto-Indo-Europeanweyh₁-to chase, pursue; to suppress, persecute
Every word from Proto-Indo-European pr̥tósEvery word from Proto-Indo-European per-Every word from Proto-Indo-European pró