noun
honorary doctorate
An academic degree awarded honorarily, without the usual requirements.
彼は大学から名誉博士号を授与された。
He was awarded an honorary doctorate by the university.
博士号 is a regular doctorate earned through study and research, while 名誉博士号 is an honorary degree.
Compound of 名誉 (honor) + 博士 (doctor) + 号 (title/degree).