Where does “Salpetererde” come from?

Salpetererde (German) comes from German ërde, from Middle High German ërde, from Old High German erda, from Proto-West Germanic erþu, from Proto-Germanic erþō, from Proto-Indo-European h₁er- — earth.

Salpetererde (German): nitrous earth

Definitions

  1. nitrous earth

Ancestry of “Salpetererde”, step by step

Salpetererde traces back through two separate lines of ancestry.

via German ërde

StepLanguageWordMeaning
1Germanërdeearth
2Middle High Germanërdeearth
3Old High GermanerdaThe Earth; earth, ground, soil
4Proto-West Germanicerþuearth, world; earth, soil
5Proto-Germanicerþōearth
6Proto-Indo-Europeanh₁er-earth

via German Salpeter

StepLanguageWordMeaning
1GermanSalpeterniter, saltpeter US; nitre, saltpetre UK
Every word from Proto-Indo-European h₁er-Every word from Proto-Germanic erþōEvery word from Proto-West Germanic erþu