regarrison
/ˌriːˈɡarɪs(ə)n/Now chiefly historical
verb
[with object] To furnish with a garrison again; to station troops in (a fortress, town, etc.) again, for defensive purposes.
Origin
Mid 17th century; earliest use found in William Prynne (1600–1669), pamphleteer and lawyer. From re- + garrison.