Where does “Protargol” come from?

Protargol (German) comes from German Protein, from Ancient Greek πρωτεῖος, 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 “Protargol”, step by step

Protargol traces back through two separate lines of ancestry.

via German Protein

StepLanguageWordMeaning
1GermanProteinprotein
2Ancient Greekπρωτεῖοςprimary
3Ancient Greekπρῶτοςfirst; earliest; foremost, most prominent
4Ancient Greekπρόbefore; before, in front, forth, forward; before,...
5Proto-Indo-Europeanprótoward, leading to
6Proto-Indo-Europeanper-before, in front; first; to go through
7Proto-Indo-Europeanpr̥tóspassed , crossed

via Latin argentum

StepLanguageWordMeaning
1Latinargentumsilver; a silver thing
2Proto-Italicargentomsilver
3Proto-Indo-Europeanh₂r̥ǵn̥tómsilver
4Proto-Indo-Europeanh₂erǵ-white, argent; glittering
Every word from Proto-Indo-European pr̥tósEvery word from Proto-Indo-European per-Every word from Proto-Indo-European pró