bottomlimit
nounUK /ˈbɒtəmˌlɪmɪt/
US /ˈbɑːtəmˌlɪmɪt/
The bottomlimit is the lowest point that something is allowed to reach.
The bottomlimit for the water in the pool is marked with a red line.
OTHER MEANINGS
2. The smallest amount of something that is permitted.
The bottomlimit for a deposit is ten dollars.
3. The deepest level that a machine or system can go down to.
The elevator's bottomlimit is the basement floor.
4. A rule that stops a number from going any lower.
The game sets a bottomlimit so your score can't drop below zero.