棟上げ

1. Origins, structure, and basic meaning

• Structure: Written 棟上げ and read むねあげ, it denotes raising a building's main frame and ridge beam, along with the ceremony marking that stage.
• Basic usage: It is held when a house frame is completed and watched by neighbors at a new home.

2. Common pitfalls and similar expressions

• Not a completion ceremony
  • It marks a major midpoint in construction, before the building is fully finished.