also: でい
sitting outdoors
Archaic term for sitting outside, likely in a courtly or ceremonial context.
Old records say that a sitting-outdoors place was set up during court ceremonies.
reception and living room in Heian mansion
Specific to shinden-zukuri architecture; a multi-purpose room used for receiving guests and daily life.
See also: 寝殿造り
temporary outdoor seating for court ceremonies
Installed in the imperial garden for events like archery or sumo; a temporary structure.
In shinden-zukuri, the idei served as both a reception room and a living room.
For the archery ceremony, a temporary seating area was set up in the garden.
Compound of 出 (ide, 'going out') + 居 (i, 'sitting, being'). The exact historical derivation is uncertain.