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
Jew (word) following the Greek version, is "Iudaeus", and from these sources the term passed to other European languages. The Old French "giu", earlier "juieu", had elided (dropped) the letter "d" from the Latin "Iudaeus". The Middle English word "Jew" derives from Old English where the word is attested as early as 1000 in various forms, such as "Iudeas", "Gyu", "Giu", "Iuu", "Iuw", "Iew". The Old English name is derived from Old French. The modern French term is "juif". Most European languages have retained the letter "d" in the word for Jew. Etymological equivalents are in use in other languages, e.g., "Jude"