incumbency

noun, plural in·cum·ben·cies for 2–5.

1. the quality or state of being incumbent.
2. the position or term of an incumbent.
3. something that is incumbent.
4. a duty or obligation: my incumbencies as head of the organization.
5. Archaic. an incumbent weight or mass.

noun plural -cies

1. the state or quality of being incumbent
2. the office, duty, or tenure of an incumbent