脂汗

1. Origins, structure, and basic meaning

• Structure: 脂汗(あぶらあせ) describes clammy sweat brought on by pain, anxiety, or tension.
• Basic usage: It describes breaking into a cold sweat while enduring severe stomach pain.
  • 激しい腹痛に耐えながら脂汗を流した。

2. Common pitfalls and similar expressions

• Amount of sweat and its character
  • 汗だく(あせだく) focuses on being drenched in sweat. 脂汗 describes the clammy sweat associated with pain or distress.
• Sweat appearing on the skin
  • 額に脂汗が浮かぶ describes sweat appearing on the forehead. 脂汗を流す presents the same kind of sweating from the person's perspective.