Where does “maciorka” come from?

maciorka (Silesian) comes from Silesian maciura, from Old Polish mać, from Proto-Slavic mati, from Proto-Balto-Slavic mā́ˀtē, from Proto-Indo-European méh₂tēr — mother.

Ancestry of “maciorka”, step by step

StepLanguageWordMeaning
1Silesianmaciurasow
2Old Polishmaćmother
3Proto-Slavicmatimother
4Proto-Balto-Slavicmā́ˀtēmother
5Proto-Indo-Europeanméh₂tērmother
Every word from Proto-Indo-European méh₂tēr →Every word from Proto-Balto-Slavic mā́ˀtē →Every word from Proto-Slavic mati →