真ま澄すみの鏡かがみMeanings1expressionperfectly clear mirrorarchaicArchaic expression for a mirror so clear it reflects everything without distortion; used figuratively for clarity or truth.古ふるい和わ歌かに「真ま澄すみの鏡かがみ」という言こと葉ばが使つかわれている。The phrase 'masumi no kagami' is used in old waka poetry.