retro-engineer

verb3

1. •
   To reverse-engineer; to analyze (an existing item) in order to determine how to replicate it.

   • I suspected that's why I could so easily retro-engineer and re-invent their ultra-superior and advanced technology. — 2010
2. •
   To revise or adapt (an existing item or process) in order to achieve a new purpose.

   • It is much more difficult to retro-engineer at the end, security is all about how it is used and should be a driving force from concept commencement. — 2015
3. •
   To develop (a process) by starting with the goal and working backwards to determine the steps needed to achieve it.

   • Use the functional interaction with your best performers to retro-engineer a mission, values, and culture check-in. — 2002