Answer: mummifying

AnswerCrossword Clue
MUMMIFYINGPreserving, Egyptian style.
mummifying(esp. in ancient Egypt) Preserve (a body) by embalming it and wrapping it in cloth
mummifyingShrivel or dry up (a body or a thing), thus preserving it
mummifyingMUMMIFY, to preserve by embalming, also MUMMY