Where does “akantappaja” come from?

akantappaja (Finnish) comes from Finnish tappaja, from Ingrian tappaa, from Proto-Finnic tappadak, from Proto-Uralic tappa- — trample.

akantappaja (Finnish): sidecar

Definitions

Step	Language	Word	Meaning
1	Finnish	tappaja	killer, slayer
2	Ingrian	tappaa	kill
3	Proto-Finnic	tappadak	to kill, to slay
4	Proto-Uralic	tappa-	trample

akantappaja — Etymology, Origin & Word History | Etymology Explorer