絶縁

1. Origins, structure, and basic meaning

• Structure: The noun and する verb 絶縁 (ぜつえん) covers electrical insulation and severing a personal relationship.
• Basic usage: A wire uses 絶縁テープ, while estrangement is expressed as 親族と絶縁する.

2. Common pitfalls and similar expressions

• Electrical insulation and estrangement
  • Distinguish the technical prevention of electrical conduction from the figurative severing of personal ties.