noun
yuzu bath; hot citron bath
A traditional Japanese bath with whole yuzu fruits floating in the hot water, especially enjoyed on the winter solstice (冬至).
See also: ゆず湯
冬至の日には柚子風呂に入る習慣があります。
There is a custom of taking a yuzu bath on the winter solstice.
Synonym; ゆず湯 is more common in everyday speech, while 柚子風呂 sounds slightly more formal or traditional.
Compound of 柚子 (yuzu, a citrus fruit) and 風呂 (bath).