Read Edit View history 坍 tān collapse Origin Definitions Defs Strokes Stroke Words Sentences Sents Phonosemantic compound. 土 represents the meaning and 丹 represents the sound. Components 土 土 Meaning component tǔ earth 丹 丹 Sound component dān, dan cinnabar Historical Pronunciations Old ChineseZhengzhangn̥ʰaːm Sources Readings & variants Unicode Historical pronunciations Zhengzhang Shangfang