岩いわ戸と景けい気きいわとけいきMeanings1nounIwato Boomhistorical termHistorical term for the economic boom in Japan from 1958 to 1961, named after the mythological cave of Amaterasu.岩いわ戸と景けい気きは、神じん武む景けい気きに続つづく好こう景けい気きとして知しられている。The Iwato Boom is known as a period of prosperity following the Jimmu Boom.
