U+557B "啻" CJK Unified Ideograph-# Unicode Character
U+557B "啻" CJK Unified Ideograph-# is a Chinese character that primarily functions as an adverb in Classical Chinese, often meaning "only" or "merely," and it appears in the phrase "不啻" (bù chì), which translates to "not only" or "more than." This character is composed of the mouth radical (口) on the left and the phonetic component "帝" (dì) on the right, suggesting a possible historical connection to spoken emphasis or imperial decree. In modern usage, it is relatively rare and mostly encountered in formal or literary contexts, such as in the idiom "不啻天渊" (bù chì tiān yuān), meaning "as different as heaven and earth." The character is encoded in the CJK Unified Ideographs block of Unicode, representing its standard inclusion for East Asian text processing.