昆布

1. Origins, structure, and basic meaning

• Structure: 昆布 is read as こんぶ and is a noun for kelp, a thick brown seaweed used to make stock or cooked as food.
• Basic usage: Making stock with kelp appears in 昆布でだしを取る, while cooking sliced kelp with vegetables appears in 昆布を野菜と煮る.

2. Common pitfalls and similar expressions

• Distinction from わかめ
  • 昆布 is thick kelp often used for stock, whereas わかめ is thinner seaweed commonly added to soups or salads.