Akkadian

enzu (ezzu, inzu) - she-goat, goat (gen. term) (CAD E 180, AHw. 221)

On Akk. azzatu (ḫazzatu) ‘she-goat’ and ḫazzu (ḫanzu) v. SED II No. 35 where these forms are treated as WS loans.

PS
*ˁVnz- - goat (SED II No. 35, Fron. VI 29, HSED No. 240)