Explore each form from the oldest known stage to today.
The kanji "証" is a phono-semantic compound character, formed during the Chinese Warring States period. Its semantic component is 言 (gen/koto, "speech" or "words"), which indicates its meaning is related to language or verbal expression. The phonetic component is 正 (sei/tadashii, "correct" or "right"), which provides the sound "shō" and contributes to the meaning by implying correctness or verification. Thus, the core etymological meaning is "to verify or confirm with correct words." Historically, "証" evolved from its primary meaning of "to testify" or "to bear witness" towards the more concrete noun "testimony," and eventually to its modern meanings of "evidence" or "proof." It was used in classical Chinese legal and philosophical texts to denote a reliable account or confirmation of facts. This character, along with thousands of others, was systematically imported to Japan in several waves, primarily from the 5th to the 8th centuries AD, via Korean peninsular scholars and directly through Chinese texts like the Confucian classics and Buddhist scriptures. An interesting linguistic note is the distinction between "証" and the similar kanji "證." In modern Japanese, "証" is the standard shinjitai (new character form), while "證" is the kyūjitai (old character form). This simplification occurred officially in the 20th century. In Chinese, however, the traditional form "證" is still used, and it carries a broader range of meanings, including "certificate" and "to prove," showing a slight divergence in usage after the characters were adopted and standardized in Japan.