The Origin of the Zodiac: (Astrology)
The zodiac (Greek: ζoδιακός, zōdiakos) is the term used to describe the circle of twelve 30° divisions of celestial longitude that are centred upon the ecliptic - the path of the sun. The term zodiac derives from Latin zōdiacus, which in its turn comes from the Greek ζoδιακoς κύκλος (zōdiakos kuklos), meaning "circle of animals".
From the earliest of times, the zodiac has been universally used to predict or reflect characteristics of personality, whether from the Chinese, Mesopotamian, Indus Valley, Egyptian or any other culture, echoing the ancient philosophy 'As above - so below'... what we today call astrology.
Astrology, in its broadest sense, is the search for purpose in the heavens.
We know from ancient records that the Greeks inherited their knowledge of the heavens primarily from the Mesopotamians, who in turn inherited their knowledge from the Sumerians. But is there any evidence of the heavenly constellations in art or culture from before this time. Remarkably, it has been proposed that the images at Lascaux and other nearby Palaeolithic sites show exactly that...
http://www.ancient-wisdom.com/zodiac.htm