Where does “стршениште” come from?

стршениште (Macedonian) comes from Macedonian стршен, from Proto-Slavic sьrxy, from Proto-Balto-Slavic *śirˀšṓ, from Proto-Indo-European ḱerh₂s-, from Proto-Indo-European ḱerh₂- — head, top; horn.

Ancestry of “стршениште”, step by step

StepLanguageWordMeaning
1Macedonianстршенhornet
2Proto-Slavicsьrxyhornet
3Proto-Balto-Slavic*śirˀšṓhornet
4Proto-Indo-Europeanḱerh₂s-head; hornet
5Proto-Indo-Europeanḱerh₂-head, top; horn
Every word from Proto-Indo-European ḱerh₂- →Every word from Proto-Indo-European ḱerh₂s- →Every word from Proto-Balto-Slavic *śirˀšṓ →