"Collected Rhymes (Jiyun)" reads "yu wei qie," sounding the same as "wei." Refers to the outer layer of bamboo. Verification: [Mistakenly recorded the character "䈧" in "Haipian."] According to the context, the erroneous character should be changed to "䈧." The erroneous character "䈧" appears in "Haipian." The original engraved edition of "䈧" is written as "" with "为" added below.