About
The character 痂 is a phono-semantic compound formed from the disease radical 疒 and the phonetic component 加, which suggests its pronunciation and conveys the idea of something added. Etymologically, it has consistently denoted a scab, specifically the crust that forms over a wound as part of the healing process, directly aligning its structure with this physiological concept. Its meaning has not shifted significantly over time, remaining narrowly applied to this specific bodily formation without broadening into metaphorical or extended uses.
Etymology Hide
