一周忌

1. Origins, structure, and basic meaning

• Structure: 一周忌 is read as いっしゅうき and means the first anniversary of a death.
• Basic usage: It refers to the first anniversary of a death and the memorial observance held for it.

2. Common pitfalls and similar expressions

• Gathering on a first death anniversary
  • 一周忌: The family gathered for the first anniversary of my grandfather's death. Example: 祖父の一周忌に家族が集まった。
• Preparing a first-anniversary memorial
  • 一周忌: We contacted the temple about next month's first-anniversary memorial service. Example: 来月の一周忌に向けて寺へ連絡した。