-ard

-ard

or -art
suff.
One that habitually or excessively is in a specified condition or performs a specified action: drunkard.

[Middle English, from Old French, of Germanic origin; see kar- 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.

-ard

or

-art

suffix forming nouns
indicating a person who does something, esp to excess, or is characterized by a certain quality: braggart; drunkard; dullard.
[via Old French from Germanic -hard (literally: hardy, bold), the final element in many Germanic masculine names, such as Bernhard Bernard, Gerhart Gerard, etc]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

-ard

or -art,
a suffix forming nouns that denote persons who regularly engage in an activity, or who are characterized in a certain way, as indicated by the stem; now usu. pejorative: coward; dullard; drunkard; wizard.
[Middle English < Old French, probably extracted from personal names with 2nd element -ard < Frankish *-hart- literally, strong, hardy, hard]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.