JMdict: 2593340

沸かし湯 【わかしゆ】

  1. [n] hot water (esp. cold mineral spring water heated up at the right temperature for bathing)
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Kanji in this word:

Kanji Meanings On Readings Kun Readings Grade
沸 Seethe, Boil, Ferment, Uproar, Breed フツ わ.く, わ.かす
湯 Hot Water, Bath, Hot Spring トウ ゆ 3