IPA: /ˌriːɪnˈlɪstmənt/
KK: /ˌriːɪnˈlɪstmənt/
The act of joining the military again after having previously left or completed service.
After completing his first term, he decided on reenlistment to continue serving his country.
Reenlistment → It is formed from "re-" (meaning again) and "enlist" (from the French "enlister", meaning to enroll or join). The word refers to the act of enrolling again, particularly in a military context.
Think of 'enlisting' again ('re-') to remember that 'reenlistment' means to join or enroll once more.