Where does “poppel” come from?

poppel (Swedish) comes from Low German poppele, from Latin pōpulus, from Proto-Italic poplos — army.

Ancestry of “poppel”, step by step

Step	Language	Word	Meaning
1	Low German	poppele	—
2	Latin	pōpulus	—
3	Proto-Italic	poplos	army

poppel — Etymology, Origin & Word History | Etymology Explorer