The paper explores the meaning of the phenomenological concept of sedimentation in the framework of Merleau-Ponty’s phenomenology. The analysis I offer suggests that Merleau-Ponty initiates a transition from the constitutional problematic of sedimentations that we come across in Husserl’s phenomenology to the analysis of existential sedimentations. Merleau-Ponty accomplishes this transformation by binding the Husserlian conception of sedimentations with the Heideggerian conception of facticity. The distinction Merleau-Ponty draws between originary sedimentations and secondary sedimentations is especially important, for it allows one to (...) claim that Merleau-Ponty recognizes all experiences as sedimented. Against the background of this realization, I offer a reevaluation of Merleau-Ponty’s cryptic remarks in the Phenomenology of Perception regarding the “original past,” also described as “a past that has never been a present.” I argue that these are metaphors for originary sedimentations. In place of a conclusion, I suggest that especially when the concept of sedimentation is universalized, we come to recognize its inherently paradoxical nature. In the final analysis, besides being a genetic concept, sedimentation is also a limit problem and a limit phenomenon. (shrink)