湿気

1. Origins, structure, and basic meaning

• Structure: Spelling: 湿気. Reading: しっけ. Core meaning: humidity; moisture.
• Basic usage: Representative examples: 梅雨になると部屋に湿気がこもる / 紙の箱を湿気の少ない棚に移した.

2. Common pitfalls and similar expressions

• Humidity and moisture
  • 湿気 building up in a room is close to atmospheric humidity, while 湿気 affecting cardboard is moisture around the material. Context determines whether “humidity” or “moisture” is more natural.