U+61DB "懛" CJK Unified Ideograph-# Unicode Character
U+61DB "懛" CJK Unified Ideograph-# is a Chinese character used primarily in classical or literary contexts, though it is not commonly found in modern standard usage. Its meaning is often associated with the concept of ignorance or dullness, sometimes specifically referring to a state of being foolish or simple-minded. In terms of composition, the character combines the radical for heart or mind (忄 or 心) on the left side, suggesting a connection to mental or emotional states, with the component 臺 (meaning terrace or platform) on the right, which provides a phonetic element. This character is extremely rare in contemporary written Chinese and appears mostly in historical texts, specialized lexicons, or as part of complex surname and place name traditions.