Definition of retronym in English:

retronym

noun

  • A new term created from an existing word in order to distinguish the original referent of the existing word from a later one that is the product of progress or technological development (e.g. acoustic guitar for guitar).

Origin

1980s: from retro- + -onym.

Pronunciation

retronym

/ˈrɛtrə(ʊ)nɪm/