reviviscence
/ˌrɛvɪˈvɪsns/(also revivescence)
noun
1Return to animation or life following dormancy or death.
2Revival; restoration to a flourishing or vigorous condition.
Origin
Mid 17th century; earliest use found in John Donne (1572–1631), poet and Church of England clergyman. From post-classical Latin reviviscentia revival, return to life from classical Latin revīvīscent-, revīvīscēns, present participle of revīvīscere to revive + -ia; compare -ence. Compare French réviviscence, Italian reviviscenza.