Explore each form from the oldest known stage to today.
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The kanji 悩 is a phono-semantic compound character, formed during the Shuowen Jiezi era in China (c. 100 AD). Its structure consists of a semantic component and a phonetic component. The left radical, 忄, is the heart/mind radical, indicating that the character's meaning is related to internal feelings or mental states. The right-side component, 㐫, serves a dual role. While it primarily acts as the phonetic component, providing the approximate sound "nō", it also carries a semantic connotation. 㐫 is itself a compound of 凵 (a pit or cavity) and 凶 (meaning misfortune, evil, or bad luck). Thus, the character 悩 conceptually represents "a heart/mind trapped in or troubled by misfortune." Historically, the character 悩 evolved from the seal script form and was standardized into its modern form through the clerical script (隷書) and kaisho (楷書) styles. It is a simplified form of the traditional character 惱, which is still used in Traditional Chinese and in some Japanese contexts historically. The simplification process typically occurred in Japan during the post-WWII period with the promulgation of the Tōyō and Jōyō Kanji lists, which standardized the shinjitai (new character form). The core etymological elements, however, remained intact from the traditional form. The character, along with the vast majority of the Japanese writing system, was imported from China, most likely between the 5th and 8th centuries via Buddhist scriptures, official documents, and other cultural texts. An interesting linguistic note is the Japanese verb 悩む (nayamu), which perfectly preserves the original phonetic value provided by the 㐫 component. This character exemplifies how kanji often encode a vivid conceptual metaphor—in this case, the physical sensation of being caught in a pit of despair or a troubled mind besieged by bad fortune, perfectly capturing the essence of "worry."