Where does “imitatorka” come from?

imitatorka (Polish) comes from Polish imitator, from Latin imitator, from Latin -tor, from Proto-Italic -tōr, from Proto-Indo-European -tōr, from Proto-Indo-European -tor-s.

Ancestry of “imitatorka”, step by step

Step	Language	Word	Meaning
1	Polish	imitator	imitator, ape, copycat, mimic
2	Latin	imitator	imitator; mimic; second-person singular future...
3	Latin	-tor	-er
4	Proto-Italic	-tōr	Forms agent nouns to verb stems
5	Proto-Indo-European	-tōr	Derives agent nouns from verbs, denoting someone...
6	Proto-Indo-European	-tor-s	—

Every word from Proto-Indo-European -tor-s →Every word from Latin -tor →Every word from Proto-Indo-European -tōr →