The paper examines metametaphors in Borges' "The House of Asterion", focusing on reconstructing symbolic metametaphors and derivative metaphorical constructs within a postmodernist and existentialist framework. It highlights the role of metaphorical core and periphery in encoding the narrative-semiotic structure. The study reveals that metametaphors serve as codes for interpreting and integrating images and meanings, aligning with symbolic metaphorical constants in postmodern and existential-philosophical texts.