熱 Home·Characters·熱 Character · Qualities 熱 あつい atsuiあつさ atsusa heat Composition 123456789101112131415 火fire Origin Fire (灬) beneath 埶, which gives the sound: burning heat. In the thoughts 熱いatsuihot熱さatsusaheat, burn Proverbs carrying this character 114 鉄は熱いうちに打て Strike while the iron is hot. 170 喉元過ぎれば熱さを忘れる Once past the throat, the burn is forgotten. Related characters 不not, negation乏lack, scarcity也to be, also事matter, affair他other以by means of位rank, position何what, which健sturdy, healthy元origin, beginning