八角

1. Origins, structure, and basic meaning

• Structure: Written 八角 and read はっかく, it denotes an eight-cornered shape and also the spice star anise.
• Basic usage: It appears in an octagonal paper decoration and as a fragrant ingredient in simmered food.

2. Common pitfalls and similar expressions

• Geometry versus spice
  • Context distinguishes a shape with eight angles from the aromatic culinary ingredient.