retronyms

Noun

retronym (plural retronyms)

1. A new word or phrase coined for an old object or concept whose original name has become used for something else or is no longer unique, or which did not originally have a specific name.
   • The phrase is a retronym, the term Frank Mankiewicz has coined to describe names of familiar objects or events that need a modifier to catch up to more modern objects: day baseball and natural turf are in the same category as analog watch.1982 December 26, William Safire, “On Language: Watch what you say”, in New York Times