大たい化かの改かい新しんたいかのかいしんMeanings1nounTaika Reforms (645 CE)historical termHistorical term referring to the political and administrative reforms enacted in Japan in 645 CE under Emperor Kōtoku.大たい化かの改かい新しんは、中大兄なかのおおえ皇おう子じと中臣鎌足なかとみのかまたり