The term 'Shitsurai' originally refers to setting up furnishing and decorating them at moya and hisashi in shinden (main house) on the day of an honor ceremony, welcoming guests and holding a feast.
「しつらい（室礼、舗設）」とは、元来晴れの儀式や請客饗宴の日に、寝殿の母屋や廂（ひさし）に調度を整え、飾りつける事をいう。