-iasis
suff. A pathological condition characterized or produced by: taeniasis.
[New Latin -iāsis, from Greek, n. suff.]
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.
-iasis
or -asis
n combining form(in medicine) indicating a diseased condition:
psoriasis. Compare
-osis2 [from New Latin, from Greek, suffix of action]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
-iasis
or -asis
a noun suffix used to form names of physical disorders resulting from the agent denoted by the stem word: candidiasis.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.