self-stop
nounUK /ˌselfˈstɒp/
US /ˌselfˈstɑːp/
The act of making yourself stop doing something.
With a little self-stop, he put down the cookie before dinner.
OTHER MEANINGS
2. A mechanism that stops a machine or process by itself without outside help.
The drill has a self-stop that kicks in when it gets too hot.
3. In computing, a command or feature that halts a program automatically.
Enable the self-stop option so the script ends after one run.
4. The ability of a person to pause their own actions or speech.
Good self-stop helps you think before you speak.