慢性

1. Origins, structure, and basic meaning

• Structure: The noun and adjectival noun 慢性 (まんせい) describes a symptom or unfavorable condition that persists over time.
• Basic usage: It modifies pain in 慢性の痛み, while a condition becoming entrenched is expressed with 慢性化する.

2. Common pitfalls and similar expressions

• A long-lasting condition
  • It concerns a condition that persists or recurs over time rather than a brief acute episode.