Disclosed is a container made of plastics material, which is provided with a body and a bottom (6) that extends from a lower end of the body, the bottom (6) including: a peripheral base (7) that defines a setting-down plane (8); a concave vault (10) which extends from a central area (11), forming a peg that projects towards the inside of the container, to the base (7); a set of main reinforcing grooves (13) which extend radially from the central area (11) as far at least as the base (7), wherein, in the container, the vault (10) has a central region (15), a median region (16) and a peripheral region (17) that are each separated by an internal axial indentation (18) and an external axial indentation (19) which extend annularly in a continuous manner around the central area (11).