eu-

eu-

(word root) happiness, well-being

Examples of words with the root eu-: eudemonia, euphoria

Abused, Confused, & Misused Words by Mary Embree Copyright © 2007, 2013 by Mary Embree

eu-

pref.

1. Good; well; true: euplastic.

2. A derivative of a specified substance: eucaine.

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[Middle English, from Latin, from Greek; see (e)su- in Indo-European roots.]

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

eu-

combining form

well, pleasant, or good: eupeptic; euphony.

[via Latin from Greek, from eus good]

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

eu-

a combining form meaning “good,” “well,” occurring orig. in loanwords from Greek (Eucharist; eudemon); in scientific coinages, esp. taxonomic names, it often has the sense “true, genuine” (eukaryote).

[< Greek, comb. form of eús good or eú, eû well]

EU

European Union.

Eu

Chem. Symbol.

europium.

Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.