Where does “przeszkadzajka” come from?

przeszkadzajka (Polish) comes from Polish przeszkadzać, from Polish przeszkodzić, from Polish szkoda, from Old High German scado, from Proto-West Germanic *skaþō, from Proto-Germanic skaþô, from Proto-Indo-European sket- — to injure.

Ancestry of “przeszkadzajka”, step by step

StepLanguageWordMeaning
1Polishprzeszkadzaćto hinder, to bother
2Polishprzeszkodzićto hinder, to bother
3Polishszkodadamage, harm; Used to express regret or...
4Old High Germanscadodamage
5Proto-West Germanic*skaþōdamage
6Proto-Germanicskaþôdamage, scathe; one who causes damage; injurer
7Proto-Indo-Europeansket-to injure
Every word from Proto-Indo-European sket-Every word from Proto-Germanic skaþôEvery word from Proto-West Germanic *skaþō