take leave of


Also, take one's leave of. Depart from, say good-bye to. For example, Sorry but I have to take leave of you now, or After the movie we'll take our leave of you. [Mid-1200s]

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.