initialphase

noun
UK /ɪˈnɪʃəl feɪz/
US /ɪˈnɪʃəl feɪz/

The first part of something when it is just starting.

During the initial phase of the game, everyone learns the rules.


OTHER MEANINGS

2. The early period of a project when plans are made.

The initial phase of the building project involved drawing blueprints.

3. The first stage of a process before any changes happen.

In the initial phase of the experiment, we simply watched the plants grow.

4. The starting point of a journey or activity.

The initial phase of our trip was a long bus ride.