confines

Etymology

noun

1. The borders or limits of an area.
2. Elements that restrain someone.
   "I think that there comes a point where people begin to get bored within their own confines, so there is definitely an opportunity to encourage travel - even though it will be a different sort of arrangement than we've been used to in the past. December 2 2020, Mark Phillips, “Rebuilding Rail in the 2020s”, in Rail, page 46
3. The scope or range of a subject.

verb

1. third-person singular simple present indicative of confine