Where does “Hohlraum” come from?
Hohlraum (German) comes from German hohl, from Old High German hol, from Proto-West Germanic hol, from Proto-Germanic hulą, from Proto-Germanic hulaz, from Proto-Indo-European ḱel- — to cover; to incline.
Hohlraum (German): cavity; void, hollow
Ancestry of “Hohlraum”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | German | hohl | hollow; concave; cupped; dense; daft |
| 2 | Old High German | hol | hollow |
| 3 | Proto-West Germanic | hol | hollow; hole |
| 4 | Proto-Germanic | hulą | a hollow; depression; hole |
| 5 | Proto-Germanic | hulaz | hollow |
| 6 | Proto-Indo-European | ḱel- | to cover; to incline |
Words derived from “Hohlraum”