ˈendəsə̇s noun
( plural endy·ses -əˌsēz)
Etymology: New Latin, from Greek, act of putting on, from endyein to put on, don (from en in, on + dyein to dive in, put on, don) + -sis — more at in , adytum
: the act or process of developing a new coat of hair or a new set of feathers — opposed to ecdysis