Where does “Zajonc” come from?

Zajonc (English) comes from Polish Zając, from Polish zając, from Proto-Slavic zajęcь, from Proto-Balto-Slavic *źṓjinkas, from Proto-Indo-European ǵʰey- — winter.

Ancestry of “Zajonc”, step by step

StepLanguageWordMeaning
1PolishZając—
2Polishzająchare
3Proto-Slaviczajęcьrabbit, hare
4Proto-Balto-Slavic*źṓjinkasrabbit, hare
5Proto-Indo-Europeanǵʰey-winter
Every word from Proto-Indo-European ǵʰey- →Every word from Proto-Balto-Slavic *źṓjinkas →Every word from Proto-Slavic zajęcь →