Where does “efterapning” come from?

efterapning (Swedish) comes from Swedish efterapa, from Swedish apa, from Old Swedish apa, from Old Norse api, from Proto-Germanic apô, from Proto-Indo-European abō- — ape.

Ancestry of “efterapning”, step by step

Step	Language	Word	Meaning
1	Swedish	efterapa	to copy, to ape ((mindlessly) imitate)
2	Swedish	apa	A primate; ape, monkey; A dumb or annoying...
3	Old Swedish	apa	—
4	Old Norse	api	ape, monkey; fool
5	Proto-Germanic	apô	ape, monkey
6	Proto-Indo-European	abō-	ape

Every word from Proto-Indo-European abō- →