self-confining

verb (used with object), con·fined, con·fin·ing.

1. to enclose within bounds; limit or restrict: She confined her remarks to errors in the report. Confine your efforts to finishing the book.
2. to shut or keep in; prevent from leaving a place because of imprisonment, illness, discipline, etc.: For that offense he was confined to quarters for 30 days.

noun

3. Usually confines. a boundary or bound; limit; border; frontier.
4. Often confines. region; territory.
5. Archaic. confinement.
6. Obsolete. a place of confinement; prison.

verb (kənˈfaɪn) (tr)

1. to keep or close within bounds; limit; restrict
2. to keep shut in; restrict the free movement ofarthritis confined him to bed

noun (ˈkɒnfaɪn)

3. (often plural) a limit; boundary

n.c.1400, “boundary, limit” (usually as confines), from Old French confins “boundaries,” from Medieval Latin confines, from Latin confinium (plural confinia) “boundary, limit,” from confine, neuter of confinis “bordering on, having the same boundaries,” from com- “with” (see com-) + finis “an end” (see finish (n.)). v.1520s, “to border on,” from Middle French confiner, from confins (n.); see confine (n.). Sense of “keeping within limits” is from 1590s. Related: Confined; confining.