toilet in a Zen monastery
Specifically refers to the lavatory within a Zen Buddhist monastery. The term is technical and not used in everyday conversation.
See also: 東浄
In a Zen temple, the toilet is kept clean as one of the places of practice.
Standard kanji spelling for the Zen monastery toilet.
Alternate kanji spelling, less common.
The term is composed of 東 (east) and 司 (office, administer). The exact origin is uncertain, but it is traditionally used in Zen monasteries to refer to the lavatory.