Pi-Osiris is a Hellenized name for the Egyptian god Osiris, combining the Greek definite article "Pi-" with the name Osiris. This form reflects the syncretism of the Ptolemaic and Roman periods, where Egyptian deities were adapted into Greek religious and magical contexts.

Position on the Tree of Life

Pi-Osiris corresponds to Path 20 on the Tree of Life, which is the path of the letter Yod. This path connects Chesed (Mercy) to Geburah (Severity), representing the dynamic interplay of expansion and restriction, a fitting domain for a god of death and rebirth.

Astrological and planetary correspondence

Pi-Osiris is not directly assigned a planetary or astrological correspondence in the provided data, but as a form of Osiris, he is traditionally linked to the underworld and the cycle of death and rebirth, often associated with the planet Saturn or the fixed star Sirius.

Historical context

The figure of Pi-Osiris emerges from the rich syncretic environment of Hellenistic Egypt, particularly in the context of the Osiris mysteries and magical papyri. Greek magical texts, such as the Greek Magical Papyri (PGM), invoke Osiris under various Hellenized names, including Pi-Osiris, for spells related to necromancy, divination, and protection. The epithet "Pi-" (from the Egyptian definite article "p3") was often used in Demotic and later Greek transcriptions to denote a specific form or manifestation of a deity. Pi-Osiris thus represents a localized or specialized aspect of Osiris, possibly associated with a particular cult center or ritual function. In the broader context of Graeco-Egyptian religion, Pi-Osiris embodies the fusion of Greek philosophical and Egyptian theological concepts, particularly regarding the afterlife and the soul's journey.

In Liber 777, Pi-Osiris appears on Path 20, a position shared with other syncretic and chthonic figures such as Anubis (Path 15) and Hecate (Path 18), reinforcing his role as a deity of the underworld and transformation. This placement aligns with the path's symbolism of the letter Yod, which represents the hand, action, and the creative spark that initiates change—here, the change from death to rebirth. Pi-Osiris thus serves as a key figure in the magical and mystical traditions that draw upon Egyptian and Greek sources, embodying the mysteries of resurrection and the continuity of consciousness beyond physical death.