noun / verb
limit
LIM-it/ˈlɪmɪt/
A boundary beyond which something cannot go, or to set such a boundary.
The taut leash sets a limit that keeps the dog just short of the ball.

Etymology
Latin limes could mean a boundary or an embankment between fields. The territorial boundary became a general boundary on quantity or possibility: the point beyond which something cannot go.
In context
there is no time limit on how far back the council can go to look at your financial affairs
More examples
- Please limit your response to one paragraph.
- The trail stays within the city limits.
- Our budget limits how much we can spend.
Forms
limit · limits · limited · limiting
limitation noun — A restriction on what is possible or allowed.