custody

cus·to·dy

1. The act or right of guarding, especially such a right granted by a court: an adult who was given custody of the child.
2. Care, supervision, and control exerted by one in charge. See Synonyms at care.
3. The state of being detained or held under guard, especially by the police: took the robbery suspect into custody.

Origin: Middle English custodie, from Latin custōdia, from custōs, custōd-, guard; see (s)keu- in Indo-European roots.