third age
Noun
Meaning
third age (uncountable)
(UK) The age after retirement but while one is still young enough to be active; young old age.
Examples
In the latter days of the Third Age, this Kingdom under the Mountain held one of the largest dwarvish treasure hoards in Middle-earth.
But here in the Third Age, Galadriel remains watchful.
The official setting takes place during the Second Age of Glorantha (previous editions covered the Third Age).
Because of their famous parents, these two are already celebrities by the time they get married in the Third Age.