連鎖

1. Origins, structure, and basic meaning

• Structure: 連鎖 (れんさ) is a noun for a chain in which one event gives rise to another.
• Basic usage: 問題が連鎖的に広がる describes one delay propagating into multiple problems, while 不安が不安を生む連鎖 names a repeating cause-and-effect loop to be broken.

2. Common pitfalls and similar expressions

• Derived adverb and causal chain
  • 連鎖的に modifies how problems spread, while 連鎖を断ち切る makes the connected structure the object. The term does not merely mean several problems existing simultaneously.