Where does “кожиште” come from?

кожиште (Macedonian) comes from Macedonian кожа, from Proto-Slavic koža, from Proto-Slavic -ja, from Proto-Indo-European -yeh₂.

Ancestry of “кожиште”, step by step

StepLanguageWordMeaning
1Macedonianкожаskin; leather
2Proto-Slavickožaskin; leather
3Proto-Slavic-jaSuffix creating feminine action nouns, usually...
4Proto-Indo-European-yeh₂
Every word from Proto-Indo-European -yeh₂Every word from Proto-Slavic -jaEvery word from Proto-Slavic koža