mummifying

/M AH1 M AH0 F AY0 IH0 NG/
verb
  1. 1

    To make into a mummy, by preserving a dead body.

  2. 2

    To become a mummy.

Source: https://en.wiktionary.org/wiki/mummify, https://en.wiktionary.org/wiki/mummifying