Login or register (free and only takes a few minutes) to participate in this question.
You will also have access to many other tools and opportunities designed for those who have language-related jobs (or are passionate about them). Participation is free and the site has a strict confidentiality policy.
Explanation: Editor's note might be abbreviated to < -ed > and put in parentheses.
However, it depends on context; I am assuming that the abbreviation n.d.c. was found in published material, e.g. an essay or article or something similar.