心労

1. Origins, structure, and basic meaning

• Structure: 心労(しんろう) means emotional strain or mental exhaustion caused by worry or burdens.
• Basic usage: It describes a mother's emotional strain building up as family problems continue.
  • 家族の問題が続き、母の心労が重なった。

2. Common pitfalls and similar expressions

• Worry and its emotional toll
  • 心配(しんぱい) broadly expresses worry. 心労が重なる more strongly suggests an accumulation of emotional burden and weariness.