Where does “płatniczka” come from?

płatniczka (Polish) comes from Polish płatnik, from Polish płacić, from Proto-Slavic platiti, from Proto-Slavic -iti, from Proto-Indo-European -éyeti, from Proto-Indo-European -yeti — Creates transitive imperfective verbs from roots.

Ancestry of “płatniczka”, step by step

StepLanguageWordMeaning
1Polishpłatnikpayer
2Polishpłacićpay
3Proto-Slavicplatitito pay
4Proto-Slavic-itiDeverbal, iterative; Deverbal, causative;...
5Proto-Indo-European-éyetiForms causative imperfective verbs from roots;...
6Proto-Indo-European-yetiCreates transitive imperfective verbs from roots
Every word from Proto-Indo-European -yetiEvery word from Proto-Indo-European -éyetiEvery word from Proto-Slavic -iti