朽ち果てる

1. Origins, structure, and basic meaning

• Structure: 朽ち果てる(くちはてる) combines 朽ちる(くちる) with 果てる(はてる) and means decaying completely or falling into ruin.
• Basic usage: It describes severe deterioration of wooden buildings or furniture left unattended for a long time.

2. Common pitfalls and similar expressions

• Extent of decay
  • 朽ちる describes decay; 朽ち果てる emphasizes that process reaching its full extent.
• Just before and before
  • 朽ち果てる寸前だった means it was on the verge of rotting away; 朽ち果てる前に refers to a time before that happens.
  • Neither expression should be turned into a statement that complete decay has already occurred.