Is depth of a liquid pascal's principle?

No, the depth of a liquid itself is not Pascal's principle; rather, Pascal's principle states that a change in pressure applied to an incompressible fluid is transmitted undiminished throughout the fluid. This means that any pressure applied at a point in a confined fluid is felt equally in all directions. While the depth of a liquid affects the pressure at a certain point within the fluid, it is the principle of hydrostatic pressure, which is related to Pascal's principle.