Where does “козина” come from?

козина (Serbo-Croatian) comes from Serbo-Croatian ко̀за, from Proto-Slavic koža, from Proto-Slavic -ja, from Proto-Indo-European -yeh₂.

Definitions

Ancestry of “козина”, step by step

StepLanguageWordMeaning
1Serbo-Croatianко̀заgoat
2Proto-Slavickožaskin; leather
3Proto-Slavic-jaSuffix creating feminine action nouns, usually...
4Proto-Indo-European-yeh₂—
Every word from Proto-Indo-European -yeh₂ →Every word from Proto-Slavic -ja →Every word from Proto-Slavic koža →