The kanji 災 (さい) primarily conveys the meaning of "disaster," "calamity," "misfortune," or "tragedy." It implies a sudden, unfortunate event that causes harm, suffering, or loss.

・On-yomi (音読み): サイ (sai) ・Kun-yomi (訓読み): わざわい (wazawai)

⚫︎ 地震災 Translation: Earthquake disaster ⚫︎ 火災 Translation: Fire disaster/fire ⚫︎ 天災 Translation: Natural disaster

The kanji 災 is a 形声文字 (keisei moji), which means it is a character that combines a semantic component (representing meaning) and a phonetic component (representing sound). The top part of the character depicts a roof, implying "shelter" or "house." The bottom component, 火 (hi), means "fire". Originally, 災 (wazawai) meant "fire that brings disaster". Over time, the meaning expanded to encompass other forms of misfortune and calamity, encompassing the broader concept of "disaster".