exuviate
/ɛɡˈzuːviːeɪt/Definitions
1. verb
to shed or cast off the outer covering or skin of something, especially an insect as it grows or develops
“The caterpillar will exuviate its skin several times as it matures into a butterfly.”
2. verb
to become weakened or lose strength, especially in a gradual or imperceptible way
“Her spirits began to exuviate as she realized the gravity of the situation.”
3. noun
the act of shedding or casting off the outer covering or skin
“The exuviation of the insect was a crucial stage in its development.”