Does Coauthor Have a Prefix?

The word comes from author, or writer, and the prefix co, which means "together" or "mutually."

Does coauthor have a dash?

AP says it should be hyphenated any time it deals with someone's occupation or position: co-author, co-chairman, co-sponsor, co-worker. Chicago style says that “co” should usually not be hyphenated: coauthor, cochairman, cosponsor, coworker.

What is coauthor mean?

: one who collaborates with another person in authoring a literary or dramatic work, a document, a legislative bill, etc. coauthors of many books and plays the coauthors of new legislation.