Where does “trampning” come from?

trampning (Swedish) comes from Swedish trampa, from Old Swedish trampa, from Old Norse trampa, from Proto-Germanic trampaną, from Proto-Indo-European drem- — to run.

Ancestry of “trampning”, step by step

Step	Language	Word	Meaning
1	Swedish	trampa	a pedal; to walk, to step, to tramp; to pedal
2	Old Swedish	trampa	—
3	Old Norse	trampa	—
4	Proto-Germanic	trampaną	—
5	Proto-Indo-European	drem-	to run

Every word from Proto-Indo-European drem- →Every word from Proto-Germanic trampaną →Every word from Old Norse trampa →