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
Ancestry of “Salpetererde”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | German | ërde | — |
| 2 | Middle High German | ërde | — |
| 3 | Old High German | erda | The Earth; earth, ground, soil |
| 4 | Proto-West Germanic | erþu | earth, world; earth, soil |
| 5 | Proto-Germanic | erþō | earth |
| 6 | Proto-Indo-European | h₁er- | earth |