Where does “häiriöteoria” come from?
häiriöteoria (Finnish) comes from Finnish häiriö, from Finnish häiritä, from Proto-Finnic häirit'äk, from Proto-Germanic sairijaną, from Proto-Germanic sairą, from Proto-Germanic sairaz, from Proto-Indo-European seh₂yro-, from Proto-Indo-European seh₂y- — to bind; to be fierce, afflict; to tie, bind.
häiriöteoria (Finnish): perturbation theory
Definitions
- perturbation theory
Ancestry of “häiriöteoria”, step by step
häiriöteoria traces back through two separate lines of ancestry.
via Finnish häiriö
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | Finnish | häiriö | disorder, trouble; interference, disturbance,... |
| 2 | Finnish | häiritä | to disturb, bother, bug; to disrupt |
| 3 | Proto-Finnic | häirit'äk | — |
| 4 | Proto-Germanic | sairijaną | to wound, to make hurt |
| 5 | Proto-Germanic | sairą | wound; sore |
| 6 | Proto-Germanic | sairaz | sore, painful |
| 7 | Proto-Indo-European | seh₂yro- | — |
| 8 | Proto-Indo-European | seh₂y- | to bind; to be fierce, afflict; to tie, bind |