Where does “vapaakytkin” come from?
vapaakytkin (Finnish) comes from Finnish vapaa, from Finnish vapada, from Old East Slavic свободь, from Proto-Slavic svoboda, from Proto-Slavic -oda.
vapaakytkin (Finnish): freewheel clutch
Ancestry of “vapaakytkin”, step by step
vapaakytkin traces back through two separate lines of ancestry.
via Finnish vapaa
| Step | Language | Word | Meaning |
|---|
| 1 | Finnish | vapaa | free; free, off; spare, free |
| 2 | Finnish | vapada | — |
| 3 | Old East Slavic | свободь | free |
| 4 | Proto-Slavic | svoboda | freedom |
| 5 | Proto-Slavic | -oda | — |
via Finnish kytkin
| Step | Language | Word | Meaning |
|---|
| 1 | Finnish | kytkin | switch; clutch; First-person singular indicative... |
| 2 | Finnish | kytkeä | to hook, hook up, connect, couple; "~ irti" = to... |
| 3 | Proto-Finnic | kütkedäk | to bind, to tie |
| 4 | Proto-Uralic | kütke- | to bind |