re-engineering

/R EY1 EH0 N JH AH0 N IH0 R IH0 NG/
verb
  1. 1

    To modify the design of an existing system, organization, process or product in order to make it more effective, efficient or responsive.

noun
  1. 1

    The application of technology and management science to the modification of existing systems, organizations, processes and products in order to make them more effective, efficient and responsive.

Source: https://en.wiktionary.org/wiki/re-engineer, https://en.wiktionary.org/wiki/re-engineering, https://en.wiktionary.org/wiki/reengineering