saeculum
/ˈsɛkjʊləm/Definitions
1. noun
A period of 100 years; a century, especially in the context of Roman history and the Catholic Church.
“The priest served for three saecula, witnessing significant changes in the community.”
2. noun
A long period of time, especially in a person’s life.
“Looking back on her saeculum, she realized how much she had accomplished.”