Explore each form from the oldest known stage to today.
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The kanji "屁" is a phono-semantic compound (形声文字) formed during the era of Small Seal Script in China. Its semantic component is the radical 尸, which originally depicted a human in a seated or reclining posture but in this context signifies matters related to the body or its base. The phonetic component is 比, which provides the sound "hi" and also carries a connotative meaning of "from the side" or "lateral." Thus, the character's construction logically represents a gaseous emission expelled from the side of the body. Historically, the character 屁 is not found in the earliest Chinese lexicons like the Shuowen Jiezi, as such vulgar terms were often excluded from classical texts. It first appeared in later dictionaries, such as the "Jiyun" from the Song Dynasty, indicating its development and standardization after the small seal script period. The character evolved through the clerical script (隷書) and into the standard kaisho (楷書) form used today, with its structure remaining consistent. The kanji, along with its meaning and the Chinese reading (on'yomi) "hi," was introduced to Japan via written texts, most likely during the Yamato period as part of the broader importation of Chinese culture and writing. In Japanese, the native kun'yomi is "he," and the word is commonly used in the compound おなら (onara), a euphemistic term derived from the verb "narasu" (to sound). A notable linguistic point is that while the kanji is standard, its use in everyday writing is often supplanted by hiragana, particularly for the more colloquial "onara," reflecting a cultural tendency to avoid direct or crude kanji in common communication.