(Ancient form) According to Extensive Dictionary of Rhymes (Guangyun), it is pronounced se; according to Collected Rhymes (Jiyun) and Treasury of Rhymes (Yunhui), it is pronounced se. It is pronounced se. According to Explanation of Simple and Compound Characters (Shuowen), it means to fill. It is also written as the variant form (se). According to Book of Documents (Shangshu), in the Chapter of Gao Yao Mo, it says: "Firm yet filled." Additionally, according to Jade Chapters (Yupian), Extensive Dictionary of Rhymes (Guangyun), and Collected Rhymes (Jiyun), it is pronounced sai. The meaning is the same.