ふまたいてん 不磨の大典 LinksSentence search for 不磨の大典Sentence search for ふまのたいてんKanji details for 不, 磨, 大 and 典Edit in JMdict Expressions (phrases, clauses, etc.), Noun1. immutable law (esp. the Meiji constitution); indestructible canonPoetical term, See also 大日本帝国憲法 Discussions Log in to talk about this word.