Complex sentence: In the allegory, the cow represents humanity's lack of moral guidance, but in later Zoroastrianism Geush Urvan became a "yazata" representing all cattle, and the 14th day of the month is named after her, and is under her protection.
Split into simpler sentences: In the allegory, the cow represents humanity's lack of moral guidance, but in later Zoroastrianism Geush Urvan became a yazata representing cattle. The 14th day of the month is named after her and is under her protection.