Explore each form from the oldest known stage to today.
Historical forms are not available yet. The current form is shown as a reference.
The kanji "剣" (ken, tsurugi) is a phono-semantic compound character, formed by combining the semantic component "刀" (katana), meaning sword or blade, with the phonetic component "僉" (sen), which suggests its pronunciation. This structure indicates an object related to a blade or knife. The character originated in China during the Warring States period, evolving from earlier, more pictographic forms. Historically, the character's predecessor was "釼," a more direct pictograph depicting a double-edged blade with a distinctive hilt. The modern form "剣" was standardized during the clerical script (隷書, reisho) transformation in the Han dynasty, which regularized and abstracted the brush strokes. This standardized form was subsequently transmitted to Japan, most notably through the importation of Chinese cultural artifacts and texts like the "Kojiki" and "Nihon Shoki" in the Asuka and Nara periods (7th-8th centuries AD). It was integrated into the Japanese writing system as a kanji (正式), used for its meaning and its on'yomi reading "ken." Culturally, "剣" specifically refers to a double-edged straight sword, distinguishing it from the single-edged curved "刀" (katana). This etymological distinction is preserved in Japanese, where "tsurugi" (the kun'yomi) often denotes ancient double-edged swords from legend and mythology, while "ken" is used in compound words like "剣術" (kendo). The character's composition and evolution reflect a shift from a purely pictorial representation to a more complex and efficient linguistic symbol, encapsulating both meaning and sound.