Explanation of itching
It is a metaphor for harmful things. Ye Shi of the Song Dynasty wrote in "Tong'an County Xue Zhu's Ancestral Hall Notes": "Yi Buddha, the disease is scabies; imperial examination, itching scabies are also: the public is very afraid of it." Causes itching disease. Ming Gaoqi's "An Wan Tang Ji": "County quilts and pillows, suppress the itching and scratching, and the body of the close person will be safe."
Word Breakdown
Explanation of itch Itch (itch) ǎ A feeling in which the skin or mucous membranes are irritated and require scratching: itching. Itchy. Tickle. Itchy hands. Itchy. Radical: 疒; explanation of 痾 ē is the same as "疴" in ancient times, disease. An old grudge; an old enmity. ēㄜˉ is the same as "屙" in ancient times, meaning excretion (feces). Radical: 疒.