Where does “tasojyrsin” come from?
tasojyrsin (Finnish) comes from Finnish taso, from Finnish tasa, from Proto-Finnic tasa, from Proto-Uralic taśa — even.
tasojyrsin (Finnish): face milling cutter
Ancestry of “tasojyrsin”, step by step
tasojyrsin traces back through two separate lines of ancestry.
via Finnish taso
| Step | Language | Word | Meaning |
|---|
| 1 | Finnish | taso | level; standard; wing |
| 2 | Finnish | tasa | of equal height; of the same level |
| 3 | Proto-Finnic | tasa | even |
| 4 | Proto-Uralic | taśa | even |
via Finnish jyrsin
| Step | Language | Word | Meaning |
|---|
| 1 | Finnish | jyrsin | milling machine; Synonym of jyrsinterä;... |
| 2 | Finnish | -in | Suffix variant for the illative singular, see... |
| 3 | Proto-Finno-Ugric | *-in | — |
| 4 | Proto-Uralic | -ma | — |