1390, from O.Fr. zodiaque, from L. zodiacus "zodiac," from Gk. zodiakos (kyklos) "zodiac (circle)," lit. "circle of little animals," from zodiaion, dim. of zoion "animal" (see zoo). In O.E. it was twelf tacna "the twelve signs," and in M.E. also Our Ladye's Waye and the Girdle of the Sky.
