Where does “pänsel” come from?

pänsel (Swedish) comes from Old French pincil, from Latin pēniculus, from Latin -culus, from Proto-Italic *-kelos.

Ancestry of “pänsel”, step by step

Step	Language	Word	Meaning
1	Old French	pincil	—
2	Latin	pēniculus	—
3	Latin	-culus	Alternative form of -ulus; added to a noun to...
4	Proto-Italic	*-kelos	—

pänsel — Etymology, Origin & Word History | Etymology Explorer