termage
/ˈtɜːrmɪdʒ/Definitions
1. noun
A period of time during which a contract, agreement, or other obligation is in effect or has been completed.
“The company’s termage for the new software was set to last for five years.”
2. noun
A period of time during which a person holds a position or title, especially in a university or academic institution.
“The professor’s termage at the university was marked by several notable publications.”