深呼吸

1. Origins, structure, and basic meaning

• Structure: In 深呼吸 (しんこきゅう), deep 深 and breathing 呼吸 combine to denote a deep breath.
• Basic usage: 深呼吸 is the deliberate act of inhaling and exhaling more deeply than usual.

2. Common pitfalls and similar expressions

• A deliberate deep breath
  • 深呼吸する expresses performing that action, distinct from ordinary unconscious breathing.