Where does “rumpujarru” come from?
rumpujarru (Finnish) comes from Finnish rumpu, from Old Swedish trumba.
rumpujarru (Finnish): drum brake
Ancestry of “rumpujarru”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Finnish | rumpu | drum; cylinder; underpass built under e.g. roads... |
| 2 | Old Swedish | trumba | — |