List of retronyms - Wikipedia
This is a list of retronyms used in the English language. A retronym is a newer name for an existing thing that differentiates the original form or version from a subsequent one.
When an airport consists of only one passenger facility, most people just call it "The airport" or "The terminal". But when an airport expands, it is often necessary to give the original building a retronymic adjective to avoid confusion. While some airports just rename older terminals or concourse with letters or numbers (e.g. Terminal 1 or Concourse B), other methods include:
Note: These terms imply age-old concepts, but the terms are usually applied to newer concepts with similar qualities. Since some of these terms fall under different contexts, that's where the confusion comes in.
Double-retronyms in general may just be the differentiation of adjectives and nouns that form retronyms in the first place, but there are other scenarios, such as political bodies splitting apart where there is simultaneous coinage of new names but no confirmed "original" is claimed. The nouns are in alphabetical order:
