疲れ

1. Origins, structure, and basic meaning

• Structure: The spelling is 疲れ, read つかれ, and it is a noun derived from the verb 疲れる for physical or mental fatigue.
• Basic usage: 疲れ means general tiredness left after activity or strain, or fatigue felt in a particular part of the body such as the eyes.

2. Common pitfalls and similar expressions

• Lingering overall fatigue and fatigue in a specific body part
  • Both examples use the form 疲れ. Fatigue from a long journey lasts until the next morning, while eye strain eases after a short rest.
• Travel fatigue lasting overnight and eye strain eased by rest
  • 長い旅の疲れが翌朝まで残りました。 — The fatigue from the long journey lasted until the next morning.
  • 少し休んだら目の疲れが和らぎました。 — A short break relieved my eye strain.