"imprison, shut up in jail," 1550s, a back-formation from incarceration (q.v.), or else from Medieval Latin incarceratus, past participle of incarcerare "to imprison." Related: Incarcerated; incarcerating.
the murderer was incarcerated for the rest of his life
incantation
incapable
incapacitate
incapacitation
incapacity
incarcerate
incarceration
incarnadine
incarnate
incarnation
incase