岩戸 いわと Meanings Noun rock door (to a cave) Kanji 岩 rock. Read as いわ. 戸 door. Read as と. Words containing 岩戸 岩戸景気 (いわとけいき) Iwato Boom (economic boom of 1958-1961) 天の岩戸 (あまのいわと) Gate of the Celestial Rock Cave Jinuma: Japanese Dictionary · Word lists