Where does “tetrasilver” come from?

tetrasilver (English) comes from English Silver, from German Silber, from Middle High German silber, from Old High German silbar, from Proto-West Germanic *silubr, from Proto-Germanic silubrą — silver.

tetrasilver (English): Four silver atoms in a compound

Definitions

  1. Four silver atoms in a compound

Ancestry of “tetrasilver”, step by step

tetrasilver traces back through two separate lines of ancestry.

via English Silver

StepLanguageWordMeaning
1EnglishSilverfor a silversmith or a rich man, or for someone having silvery gray hair or living by a silvery brook
2GermanSilbersilver; argent
3Middle High Germansilber
4Old High Germansilbarsilver
5Proto-West Germanic*silubrsilver
6Proto-Germanicsilubrąsilver

via English tetra

StepLanguageWordMeaning
1EnglishtetraAny of numerous species of small South American...
2TranslingualTetragonopterus
3Ancient Greekπτερόνfeather; wing; Any winged creature
4Proto-Indo-Europeanpéth₂r̥wing; feather
5Proto-Indo-Europeanpeth₂-to spread out; to fly
Every word from Proto-Germanic silubrąEvery word from Proto-West Germanic *silubrEvery word from Old High German silbar