Where does “зајачиште” come from?

зајачиште (Macedonian) comes from Macedonian зајак, from Proto-Slavic zajęcь, from Proto-Balto-Slavic *źṓjinkas, from Proto-Indo-European ǵʰey- — winter.

Ancestry of “зајачиште”, step by step

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