U+6691 "暑" CJK Unified Ideograph-# Unicode Character
U+6691 "暑" CJK Unified Ideograph-# is a Chinese character that primarily means "heat" or "summer heat" and is often used in words related to hot weather, such as "暑假" (summer vacation) and "暑气" (summer heat). This ideograph appears in multiple East Asian languages, including Mandarin Chinese, Japanese, and Korean, where it conveys the concept of intense warmth or the summer season. The character is composed of the radical for "sun" or "day" (日) on top, indicating its association with the sun's heat, and a phonetic component below that contributes to its pronunciation. Historically, it has been used in classical texts to describe atmospheric conditions and seasonal changes, reflecting its enduring cultural role in discussing climate and daily life across East Asia.