Within the depth-psychology corpus, ‘Gut’ operates at the intersection of neurobiological fact, phenomenological experience, and somatic psychology. The passages reveal a convergent argument: the gut is not merely a digestive organ but a second, semi-autonomous nervous system — the enteric brain — whose signaling to the cranial brain (via the vagus nerve at a ratio of 9:1 afferent to efferent fibers) substantially underwrites feeling, intuition, and mood. Levine grounds this in trauma theory, arguing that chronic visceral tension encodes and perpetuates traumatic memory, while relaxed gut musculature can signal safety even amid external disorder. Damasio situates enteric signaling within his homeostatic theory of feeling, proposing that the gastrointestinal tract’s unmyelinated neural architecture contributes to the diffuse, ‘global’ qualities of well-being and nausea. Mörkl, Burnett, and Wiss extend this into clinical psychiatry and addiction medicine, pointing to the gut-brain axis — mediated by microbiota, neurotransmitter synthesis, and vagal tone — as a significant variable in depression, anxiety, and substance use disorders. Fogel demonstrates how chronic suppression of gut sensation functions as a somatic defense against conflict, with therapeutic recovery of gut awareness serving as a barometer of interpersonal affect. The term thus anchors a broader disciplinary challenge to Cartesian hierarchies of mind over body.