折り鶴

1. Origins, structure, and basic meaning

• Structure: 折り鶴 is read as おりづる and is a noun for a paper crane made by folding paper into the shape of a crane.
• Basic usage: Making one appears in 折り鶴を作る, while a quantity appears in 百羽の折り鶴.

2. Common pitfalls and similar expressions

• Real crane and paper crane
  • 鶴 is the living bird; 折り鶴 is the folded-paper representation.
• Counter 羽
  • Because it represents a bird, the bird counter 羽 can count paper cranes as in the example.