Where does “zębuszka” come from?

zębuszka (Polish) comes from Polish Ząb, from Old Polish ząb, from Proto-Slavic zǫbъ, from Proto-Balto-Slavic źámbas, from Proto-Indo-European ǵómbʰos, from Proto-Indo-European ǵómbʰ- — to pierce, gnaw through; tooth, horn, peg.

Ancestry of “zębuszka”, step by step

StepLanguageWordMeaning
1PolishZąbtooth
2Old Polishząbtooth
3Proto-Slaviczǫbъtooth
4Proto-Balto-Slavicźámbastooth; sharp or jagged edge
5Proto-Indo-Europeanǵómbʰostooth; row of teeth; peg
6Proto-Indo-Europeanǵómbʰ-to pierce, gnaw through; tooth, horn, peg
Every word from Proto-Indo-European ǵómbʰ- →Every word from Proto-Indo-European ǵómbʰos →Every word from Proto-Balto-Slavic źámbas →