also: ひとなぬか · いちしちにち · いっしちにち
noun
seventh day after death; first seven-day memorial
Buddhist term for the seventh day after a person's death, when the first memorial service (初七日) is held. Also refers to the first seven-day period after death.
See also: 初七日
一七日には親族が集まって法要を営む。
On the seventh day after death, relatives gather to hold a memorial service.
一七日の法要は初七日と
The memorial service on the seventh day is also called 初七日.
noun
seven days; one week
Archaic general term for a period of seven days or one week. In modern Japanese, 一週間 or 七日 are used instead.
古文書には「一七日」を単に七日間の意味で使う例が見られる。
In old documents, there are examples where 一七日 is used simply to mean a period of seven days.
Compound of 一 (one), 七 (seven), and 日 (day). The reading ひとなのか is a native Japanese reading (kun'yomi) with rendaku on なのか. The Buddhist memorial sense is the primary modern usage.