上司

1. Origins, structure, and basic meaning

• Structure: 上司 is read as じょうし and can mean “supervisor” or “boss”, depending on context.
• Basic usage: The examples show a supervisor receiving a proposal and a boss reviewing meeting materials.

2. Common pitfalls and similar expressions

• Distinguishing senses and uses
  • It is someone above one in workplace rank or authority; greater age alone does not make a person one’s supervisor.