性質

1. Origins, structure, and basic meaning

• Structure: 性質, read せいしつ, combines disposition 性 with underlying quality 質 to denote a persistent property.
• Basic usage: It denotes an inherent or recurring property of something, as in 水に溶けやすい性質.

2. Common pitfalls and similar expressions

• Scope and context
  • It focuses on a relatively persistent trait of a material or person rather than one temporary state 状態.