Where does “Brechungsindex” come from?
Brechungsindex (German) comes from German Brechung, from German brëchen, from Middle High German brëchen, from Old High German brehhan, from Proto-West Germanic brekan, from Proto-Germanic brekaną, from Proto-Indo-European bʰrēǵ- — to shine, shimmer.
Brechungsindex (German): refractive index
Ancestry of “Brechungsindex”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | German | Brechung | refraction; vowel breaking |
| 2 | German | brëchen | — |
| 3 | Middle High German | brëchen | — |
| 4 | Old High German | brehhan | to break |
| 5 | Proto-West Germanic | brekan | to break |
| 6 | Proto-Germanic | brekaną | to break |
| 7 | Proto-Indo-European | bʰrēǵ- | to shine, shimmer |