Within the depth-psychology corpus, Zoe occupies a singular position as the conceptual ground of life itself—irreducible, uncharacterized, and ontologically prior to any individual biographical existence. Kerényi’s sustained philological and mythological work establishes the foundational distinction: Greek possessed two words for life, bios and zoe, where bios denotes the shaped, mortal span of an individual, while zoe names that endless, undifferentiated vitality upon which each bios is merely strung. This is not a philosophical abstraction imposed upon the language but a wisdom embedded within it, an experiential insight preserved in the phonetic divergence of the two terms. The theological corollary is equally precise: zoe alone could express eternal life, as the Christian formula aionios zoe demonstrates, while bios could only speak of a future or a past life. Kerényi then locates this concept at the center of the Dionysian religion, identifying Dionysos as the archetypal image of indestructible zoe—a figure in whom the undying ground of life becomes accessible to human perception, particularly through the uncanny experience of the mask, the thiasos, and the mysteries. Hillman inherits and extends this reading, arguing that Dionysos as the god of zoe, where generation and decomposition remain inseparable, expresses the double-tongued ambiguity that rational consciousness cannot tolerate. The Gnostic material introduces a further valence: Zoe as a named feminine power and as the Septuagintal rendering of Eve. Across these positions the term functions less as a category than as a living claim about what underlies all living.