pustule; scab; skin eruption
Refers to a pus-filled blister or the crust that forms over a healing sore. Often used in older or medical descriptions; in everyday language, more specific terms like できもの or かさぶた are common.
Old documents describe treatments for pustules and skin eruptions.
syphilis; pox
Archaic or historical term for syphilis or similar venereal diseases. Now replaced by modern medical terms like 梅毒 (ばいどく).
かさができて痛む。
A sore has formed and it hurts.
In the Edo period, syphilis was a dreaded disease.
scab; crust
syphilis
ecthyma; prurigo
person with a skin disease; syphilitic patient
person with a skin disease; syphilitic person
The origin is uncertain. The kanji 瘡 is a phono-semantic compound with 疒 (sickness) and 倉 (warehouse), but the Japanese reading かさ is likely a native word predating the kanji assignment.