initializationtime

2. In computing, the period during which a program or device prepares itself before it can be used.

The initialization time of the app increased after the update.

3. The amount of time needed to set up equipment or a system before it starts working.

Engineers measured the initialization time of the robot before the test.

4. The delay at the beginning of a process while everything gets ready.

There was a short initialization time before the printer began to print.