Mao Collection, Upper Volume Radical: Heart (xīn) 忝 Kangxi strokes: 8 Page 377, Entry 08 Tang Rhymes (Tangyun), Collected Rhymes (Jiyun), Dictionary of Rhymes (Yunhui), and Correct Rhymes (Zhengyun): pronounced tian (rising tone). Shuowen Jiezi: to disgrace. Book of Documents (Shangshu), Canon of Yao: if my virtue disgraces the imperial throne. Book of Odes (Shijing), Lesser Odes: do not disgrace those who gave you life. Also, Guangyun, Collected Rhymes (Jiyun), Dictionary of Rhymes (Yunhui), and Correct Rhymes (Zhengyun): pronounced tian (falling tone). Same meaning.