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The character 過 (guò) evolved from ancient pictographs representing the concept of 'passing' or 'crossing.' Its composition combines the radical 辵 (chuò), depicting movement along a road, with 咼 (guā), which may represent a skull or bony structure, suggesting the passage of time or crossing a boundary. In oracle bone script, it showed a foot crossing a line or boundary. During bronze script periods, the elements became more stylized, eventually formalizing in small seal script as the recognizable 過 character. The meaning expanded from physical 'passing' to include 'exceeding,' 'mistake' (as in passing beyond what's correct), and 'experiencing' (as in passing through time). Arrived in Japan: The character 過 likely arrived in Japan during the 5th-6th centuries CE, along with the broader introduction of Chinese writing system through Buddhist texts and diplomatic exchanges. It was formally adopted into Japanese writing during the Asuka and Nara periods (6th-8th centuries) as part of the man'yōgana system, eventually becoming standard in kanji usage with readings 'ka' (as in 過ぎる/sugiru - to pass/exceed) and '過ち' (ayamachi - error).