Et tu, Brute?
[(et tooh brooh-tay)]
“Et tu, Brute?” is used to express surprise and dismay at the treachery of a supposed friend.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.