firstphase

noun
UK /ˈfɜːst feɪz/
US /ˈfɝːst feɪz/

The first part of something that happens in steps.

The first phase of the game is picking your team.


OTHER MEANINGS

2. The early period of a project or plan.

In the first phase of the project, we drew the plans.

3. The starting part of a process that has several parts.

The first phase of the experiment took one week.

4. The opening stage of a game or competition.

Our team won the first phase of the tournament.