Where does “Cozieni” come from?

Cozieni (English) comes from Romanian Cozieni, from Romanian Cozia, from Old Church Slavonic козьлѧ, from Old Church Slavonic козьлъ, from Proto-Slavic kozьlъ, from Proto-Slavic koža, from Proto-Slavic -ja, from Proto-Indo-European -yeh₂.

Ancestry of “Cozieni”, step by step

StepLanguageWordMeaning
1RomanianCozieni—
2RomanianCozia—
3Old Church Slavonicкозьлѧkid (young goat)
4Old Church Slavonicкозьлъgoat
5Proto-Slavickozьlъhe-goat, buck
6Proto-Slavickožaskin; leather
7Proto-Slavic-jaSuffix creating feminine action nouns, usually...
8Proto-Indo-European-yeh₂—
Every word from Proto-Indo-European -yeh₂ →Every word from Proto-Slavic -ja →Every word from Proto-Slavic koža →