Explore each form from the oldest known stage to today.
The kanji 叩 is a phono-semantic compound, formed by combining the radical 口 (kuchi, meaning "mouth") with the phonetic component 丩. The original form in small seal script depicts a hand (又) striking an object, but the modern form has been simplified and reinterpreted. The component 口 here is not literal but acts as a semantic indicator for an action involving an opening or a sharp, percussive sound, while 丩 provides the phonetic clue, related to sounds like "kou." Historically, the character evolved from ancient pictographs representing the action of striking or knocking. In oracle bone and bronze scripts, the earliest forms more clearly showed a hand using a tool or the hand itself to hit a surface. This concept was later standardized in the small seal script during the Qin dynasty. The character was imported to Japan between the 5th and 6th centuries AD, during the period when Japan's Yamato court actively adopted the Chinese writing system, along with Buddhist texts and classical literature. An important linguistic note is the kanji's dual reading in Japanese: the Sino-Japanese (on'yomi) reading "kou" and the native Japanese (kun'yomi) reading "tata.ku" or "hata.ku." The character is also used in the compound 叩頭 (kōtō), meaning "kowtow"—the act of kneeling and touching the head to the ground as a sign of deep respect, demonstrating how the core meaning of "striking" a surface evolved to include the idea of prostration. This reflects a cultural melding where a physical action was codified into a formal ritual.