Where does “uppolukko” come from?
uppolukko (Finnish) comes from Finnish uppo-, from Finnish upota, from Proto-Finnic up'ot'ak — to sink; to drown.
uppolukko (Finnish): flush lock
Ancestry of “uppolukko”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Finnish | uppo- | sinking or submerging, submersible; completely,... |
| 2 | Finnish | upota | to sink; to get stuck in, get bogged down in; to... |
| 3 | Proto-Finnic | up'ot'ak | to sink; to drown |