The kanji 暑暑 primarily means "hot" or "heat." It refers to the sensation of high temperature, often associated with the summer season. It conveys the idea of intense warmth.

・On-yomi (音読み): ショ (sho) ・Kun-yomi (訓読み): あつ.い (atsu.i)

⚫︎ 暑い日 Translation: A hot day ⚫︎ 暑さ Translation: Heat; the heat (noun form) ⚫︎ 猛暑 Translation: Intense heat; scorching heat

The kanji 暑暑 is a phono-semantic compound. It is composed of two parts: ⚫︎ The radical 日 (ひ, hi), which means "sun" or "day," providing the semantic (meaning) component as it relates to heat and sunlight. ⚫︎ The phonetic component 者 (しゃ, sha), which contributes the sound and also implies the idea of "a person" or "being," though its role here is primarily phonetic. The combination suggests the intensity of the sun's heat, emphasizing the experience of feeling hot.