Definition of the word axis

The word "axis" has its origins in Latin, from the word "axis," meaning "turning point" or "pivot." It was later adopted into Middle English from Old French "axe," which was derived from the Latin word. In the 15th century, the term "axis" began to be used in mathematics and astronomy to describe a line about which a sphere or other symmetrical object rotates. In the 17th century, the term took on a broader meaning, describing any central or pivotal point around which something rotates or revolves. In the 19th century, the term began to be used in anatomy to describe the central bone of the human body, the axis of the spine. Today, the word "axis" is used in a wide range of contexts, from science and mathematics to philosophy and politics.