noun, noun or participle which takes 'suru', intransitive verb
hot-spring cure; taking the baths
Refers to staying at a hot spring for an extended period to treat or improve health conditions. Often used in the context of traditional Japanese onsen therapy.
彼はリウマチの湯治のために温泉地へ行った。
He went to a hot spring resort for a hot-spring cure for his rheumatism.
湯治に来ているお
There are many elderly people who have come for a hot-spring cure.