"Tang Yun" (Tang Yun) annotates the pronunciation as hu ge qie. "Ji Yun" (Ji Yun) annotates the pronunciation as hu ge qie, with the same pronunciation as "he". "Yu Pian" (Yu Pian) explains it as the name of a type of grass. "Ji Jiu Pian Zhu" (Ji Jiu Pian Zhu) states that lei is a curved piece of wood used for manual plowing, which is equivalent to the curved-handled hoe (ye qiao) of today. "Lei Pian" (Lei Pian) records that this character is sometimes written as "he". Additionally, "Zi Hui Bu" (Zi Hui Bu) states that this character is the same as the character "mo" and is found in "Pei Guangyuan Ji Zhu" (Pei Guangyuan Ji Zhu).