Panarion

In early Christian heresiology, the Panarion (Greek: Πανάριον, derived from Latin, panarium, meaning "bread basket"), to which 16th-century Latin translations gave the name Adversus Haereses (Latin: "Against Heresies"), is the most important of the works of Epiphanius of Salamis (d. 403). It was written in Koine Greek beginning in 374 or 375, and issued about three years later, as a treatise on heresies, with its title referring to the text as a "stock of remedies to offset the poisons of heresy." It treats 80 religious sects, either organized groups or philosophies, from the time of Adam to the latter part of the 4th century, detailing their histories, and rebutting their beliefs. The Panarion is an important source of information on the Jewish Gospels, the Gospel of the Ebionites, and the Gospel of the Hebrews.

The treatise can be considered a sequel to the Ancoratus (374), which takes the form of a letter to the church of Syedra in Pamphylia, describing how the "barque" of the church can counteract the contrary winds of heretical thought, and become "anchored" (ἀγχυρωτός), hence the title of the work; the Ancoratus even outlines the content of the Panarion within its text.

The treatise begins with two proems: a table of contents, and a description of Epiphanius's methods and purpose in writing. The work is divided into three books, with a total of seven volumes. It ends with what has since been called De Fide, a short description of Catholicism.

The number of sects covered in the work is based on Song of Songs 6:8-9, quoted below in the original Hebrew, and in the English translation from JPS 1917:

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