媒介

1. Origins, structure, and basic meaning

• Structure: 媒介 (ばいかい) combines an intermediary 媒 with intervening 介 to denote mediation or transmission between parties.
• Basic usage: 媒介する expresses the act of connecting or transmitting, while nominal 媒介 names the process or means.

2. Common pitfalls and similar expressions

• Mediation and transmission
  • Context must distinguish an intermediary actor from a medium of transmission.