ground floor

• Étage d'un bâtiment situé au niveau du sol, ou, au sens figuré, la possibilité de participer à quelque chose dès le début.

The floor of a building that is at ground level, or figuratively, an opportunity to be involved in something from its earliest stage.

1. Lowest level of a buildingA2formal

   The floor of a building that is at ground level.

   rez-de-chaussée

   • The restaurant is on the ground floor of the hotel.
   • Please take the elevator to the ground floor.
   • The ground floor has a large lobby and reception area.

2. Early opportunityB2informal

   An opportunity to be involved in something from the beginning, often used in business or investment contexts.

   participer dès le départ

   • Investors got in on the ground floor of the startup.
   • She was able to join the project on the ground floor.
   • Getting in on the ground floor of a new trend can be very profitable.