Explore each form from the oldest known stage to today.
The character 熱 (heat) evolved from ancient pictographs representing fire and ritual activities. Its earliest forms depicted a man holding firewood over flames, symbolizing intense heat or burning. Over time, it standardized into the modern form with 執 (hold) at the top representing control and 灬 (fire) at the bottom, combining to mean 'controlled fire' or 'intense heat.' The character carries meanings of temperature, passion, fever, and enthusiasm, reflecting how fire transforms both physical matter and human emotion. Arrived in Japan: The character 熱 likely arrived in Japan during the 5th-6th centuries CE along with the broader introduction of Chinese writing systems, possibly through Buddhist texts and diplomatic exchanges. It became established in the Japanese writing system during the Asuka and Nara periods (6th-8th centuries) as part of the comprehensive adoption of Chinese characters (kanji) for writing Japanese.