firstaction

noun
UK /ˈfɜːst ˈækʃən/
US /ˈfɝːst ˈækʃən/

The first thing you do to start something.

Washing your hands is the first action before you cook.


OTHER MEANINGS

2. The earliest thing a machine or program does when it turns on.

The robot's first action is to check its battery.

3. The first thing a character does in a story or game.

Her first action in the game was to open the treasure chest.

4. A person's very first deed in a new job or role.

His first action as captain was to call a team meeting.