Where does “kämmen” come from?

kämmen (Finnish) comes from Dutch kammen, from Dutch kam, from Middle Dutch kamp.

kämmen (Finnish): palm

Definitions

Step	Language	Word	Meaning
1	Dutch	kammen	to comb; to use any other comb, even mechanically
2	Dutch	kam	A comb, utensil to groom hair, fur etc; A ridge,...
3	Middle Dutch	kamp	—

kämmen — Etymology, Origin & Word History | Etymology Explorer