祭る

1. Origins, structure, and basic meaning

• Structure: 祭る (まつる) is a transitive verb for enshrining a deity or ritually honoring ancestors. The examples show continuing worship and ceremony purpose.
• Basic usage: Villagers enshrine a mountain deity; an event honoring ancestors occurs each autumn.

2. Common pitfalls and similar expressions

• Deity maintained in a shrine and ancestors honored annually
  • Objects are 神を and 祖先を; shrine location is 社に. It does not merely mean attending a festival.