Where does “vahvistusharha” come from?
vahvistusharha (Finnish) comes from Finnish vahvistus, from Finnish vahvistaa, from Finnish vahva, from Proto-Finnic vahva — strong; firm.
vahvistusharha (Finnish): confirmation bias
Ancestry of “vahvistusharha”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Finnish | vahvistus | strengthening, consolidation; confirmation,... |
| 2 | Finnish | vahvistaa | to strengthen, harden, fortify; reinforce, to... |
| 3 | Finnish | vahva | strong, able-bodied, brawny, burly, powerful;... |
| 4 | Proto-Finnic | vahva | strong; firm |