WOTD: Retronym
retronym \REH-troh-nim\ noun
: a term consisting of a noun and a modifier which specifies the original meaning of the noun. (e.g. The names of such out-of-date technology as "console television set," are examples of retronyms. The oldest print usage that we know of for the word "retronym" itself is from William Safire's column "On Language" in a 1980 issue of The New York Times. There, he discusses how then-president of National Public Radio, Frank Mankiewicz, collects what he calls "retronyms."
source: Merriam-Webster
It's interesting to think about neologisms fading into retronym status.
