Where does “песиште” come from?

песиште (Macedonian) comes from Macedonian пес, from Proto-Slavic pьsъ, from Proto-Balto-Slavic píśas.

Ancestry of “песиште”, step by step

StepLanguageWordMeaning
1Macedonianпесdog, hound
2Proto-Slavicpьsъdog
3Proto-Balto-Slavicpíśas—
Every word from Proto-Balto-Slavic píśas →Every word from Proto-Slavic pьsъ →Every word from Macedonian пес →