教授

1. Origins, structure, and basic meaning

• Structure: 教授(きょうじゅ) means teaching an academic subject or the university title of professor.
• Basic usage: It is used for teaching at a university and for the person consulted about a thesis.

2. Common pitfalls and similar expressions

• An activity versus a person
  • 言語学を教授している expresses the activity of teaching. In 教授に, it identifies the person consulted.