Where does “skrytobójczyni” come from?

skrytobójczyni (Polish) comes from Polish skrytobójca, from Polish skryty, from Polish -y, from Old Polish -y, from Proto-Slavic jь, from Proto-Balto-Slavic iś, from Old Polish ić, from Proto-Slavic jьti — to go.

Ancestry of “skrytobójczyni”, step by step

StepLanguageWordMeaning
1Polishskrytobójcaassassin
2Polishskrytysecretive
3Polish-ynominative plural ending of some masculine nouns;...
4Old Polish-yforms adjectives
5Proto-Slavicthis; he
6Proto-Balto-Slavicthis
7Old Polishto go
8Proto-Slavicjьtito go
9Proto-Balto-Slaviceiteito go
10Proto-Indo-Europeanh₁éytito go, to be going
11Proto-Indo-Europeanh₁ey-to go
Every word from Proto-Indo-European h₁ey-