Where does “kämmel” come from?

kämmel (Ingrian) comes from Votic čämmel, from Dutch kammen, from Dutch kam, from Middle Dutch kamp.

Ancestry of “kämmel”, step by step

Step	Language	Word	Meaning
1	Votic	čämmel	palm of one's hand
2	Dutch	kammen	to comb; to use any other comb, even mechanically
3	Dutch	kam	A comb, utensil to groom hair, fur etc; A ridge,...
4	Middle Dutch	kamp	—