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