"Guangyun" uses the fanqie "wu kai" and "Jiyun" and "Yunhui" use the fanqie "yu kai" for the pronunciation "ai". "Yupian" explains it as dazzling, hot. "Guangyun" explains it as extremely hot. Also, "Boya" explains "㶼" as to burn. Also, "Guangyun" uses the fanqie "xu qi" and "Jiyun" uses the fanqie "xu qi" for the pronunciation "xi". "Guangyun" explains it as a vigorous fire. Also, "Yunhui" uses the fanqie "xu ji" for the pronunciation "xi", with the same meaning.