noun, noun or participle which takes 'suru', intransitive verb
long bath; soaking for a long time
Refers to staying in the bath for an extended period, often for relaxation. Can be used as a noun or with する to mean 'to take a long bath'.
長湯は体に良くないと言われることもある。
It is sometimes said that long baths are not good for the body.
温泉でつい長湯してしまった
I ended up taking a long bath at the hot spring without realizing it.