reviviscence
noun
re·vi·vis·cence ˌrē-ˌvī-ˈvi-sᵊn(t)s 
ri-
: an act of reviving : the state of being revived
reviviscent
ˌrē-ˌvī-ˈvi-sᵊnt
adjective ri-
Word History
Etymology
Latin reviviscere to come to life again, from re- + viviscere to come to life, from vivus alive, living — more at quick entry 1
First Known Use
1626, in the meaning defined above