(The word deferent comes from the Greek fero "to carry"and Latin ferro, ferre, meaning "to carry.") An eccentric deferent is slightly off-center from Earth.
Italian Spanish Portuguese and Maltese: from ferro 'iron' (from Latin ferrum) used as a nickname denoting someone who was strong or as a metonymic occupational name for someone who produced or worked iron.
A promotional code (or simply called promo code) is a string that can contain letters and numbers that an eCommerce store can share with its customers. These codes which are also called alphanumeric codes are typically about 5 - 10 characters long and most of the time only capital letters are used.