Tang Rhymes (Tangyun) states that this character is pronounced di. Collected Rhymes (Jiyun) states it is pronounced di, with the same pronunciation as the character for flute. Discussing and Explaining Characters (Shuowen Jiezi) interprets its meaning as the manner of walking. Additionally, Collected Rhymes (Jiyun) records that it is also pronounced du, with the same pronunciation as the character for poison. The meaning is the same.