U+1D348 "𝍈" Tetragram for Darkening Unicode Character

U+1D348 "𝍈" Tetragram for Darkening is a symbol from the Tai Xuan Jing, a classical Chinese divination text composed by Yang Xiong around the turn of the 1st century AD. In its original context, this tetragram represents a specific hexagram like structure in a system of 81 such symbols, each associated with a concept drawn from nature and cosmic cycles, where "Darkening" suggests a phase of diminishment, obscurity, or the waning of light, often linked to autumn or the forces of contraction and decay. The character belongs to the Tai Xuan Jing block of Unicode, which encodes these symbols for modern digital use, preserving their role in ancient Chinese philosophy and metaphysical thought.