Where does “nereczka” come from?

nereczka (Polish) comes from Polish nerka, from Polish nera, from Middle Low German nēre, from Proto-West Germanic *neurō, from Proto-Germanic neurô, from Proto-Indo-European negʷʰrós — kidney.

Ancestry of “nereczka”, step by step

StepLanguageWordMeaning
1Polishnerkakidney; kidney dish, emesis basin; fanny pack,...
2PolishneraAugmentative of nerka
3Middle Low Germannēre—
4Proto-West Germanic*neurō—
5Proto-Germanicneurôkidney; testicle
6Proto-Indo-Europeannegʷʰróskidney
Every word from Proto-Indo-European negʷʰrós →Every word from Proto-Germanic neurô →Every word from Proto-West Germanic *neurō →