retronym -
a word introduced because an existing term has become inadequate; "Nobody ever heard of analog clocks until digital clocks became common, so `analog clock' is a retronym"
= synonym
= antonym
= relatert ord
Wiktionary
Substantiv
retronym -
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 such as acoustic guitar where guitar used to mean this but can now also refer to an electric guitar.
