Where does “-uu” come from?
-uu (Finnish) comes from Finnish -au, from Finnish -ao, from Proto-Finnic -ado, from Proto-Finnic -o, from Proto-Uralic -w.
-uu (Finnish): Forms nouns from verbs
Ancestry of “-uu”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Finnish | -au | — |
| 2 | Finnish | -ao | — |
| 3 | Proto-Finnic | -ado | — |
| 4 | Proto-Finnic | -o | — |
| 5 | Proto-Uralic | -w | — |