numeronym

noun2

1. •
   A number-based word.

   • Finally, the E7 countries—a numeronym standing for 'Emerging' market economies—include the BRIC countries, along with Indonesia, Mexico, and Turkey. — 2018
2. •
   An abbreviation formed by replacing letters within a word by the number of letters replaced, such as "I18n" for "Internationalization".

   • Is the numeronym a11y accessible?