Zodiac celestial coordinate system, or more specifically an ecliptic coordinate system, which takes the ecliptic as the origin of latitude and the Sun's position at vernal equinox as the origin of longitude. The English word ' derives from ', the Latinized form of the Ancient Greek "zōidiakòs kýklos" (), meaning "cycle or circle of little animals". "Zōidion" () is the diminutive of "zōion" (, "animal"). The name reflects the prominence of animals (and mythological hybrids) among the twelve signs. The zodiac was in use by the Roman era, based on concepts inherited by Hellenistic astronomy from Babylonian astronomy of the Chaldean
Five Animals into Five Animals: the Tiger, the Crane, the Leopard, the Snake and the Dragon. Jueyuan is also credited with the Northern style "Flood Fist" Hóngquán (洪拳), which does not feature the Five Animals but is written with the same characters as the Southern style Hung Kuen, perhaps the quintessential Five Animals style. Moreover, as in the Southern Hung Kuen, the "Hóng" character (洪) in Hóngquán actually refers to a family name rather than its literal meaning of "flood." However, the two styles have nothing in common beyond their shared name. The "Five Animal play" (五禽戲, Wu Qin Xi) are a