Ab- : A prefix in many words of Latin origin. It signifies from, away , separating, or departure, as in abduct, abstract, abscond. See A-(6).

Example:
When I do an ab exercise, after the first set my abs start to cramp up really badly. How can I stop this.?

Taxonomy
Rockwell Automation, Motor Control, Allen-Bradley products, Products News, Automation Solutions, Industry Solutions, Product, Quick Link, integrated control, information platforms, industrial components, Product Directory, Product Catalogs, Product Configuration, Integrated Architecture, Limit Switches, Rockwell Software, Tools & Resources.

Defination from the web:
Makes industrial control and factory automation products.