釜

1. Origins, structure, and basic meaning

• Structure: 釜 is read as かま and is a noun for a cauldron or large pot used to cook rice or substantial quantities of food.
• Basic usage: Cooking rice in a large cauldron appears in 大きな釜で御飯を炊く, while an iron cauldron appears in 鉄の釜.

2. Common pitfalls and similar expressions

• Instrument で and material の
  • Use で when the cauldron is the cooking instrument; the phrase 鉄の釜 uses の to identify its material.
• Difference from 鍋
  • Unlike the broad word for a cooking pot or pan, this term readily denotes a deep, large vessel for rice or bulk cooking.