-colous

-colous

suff.
Having a specified kind of habitat: arenicolous.

[From Latin -cola, tiller, inhabitant; see kwel- 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.

-colous

adj combining form
(Biology) inhabiting or living on: arenicolous.
[from Latin -cola inhabitant + -ous; related to colere to inhabit]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

-colous

a combining form meaning “inhabiting” the thing or place specified by the initial element: nidicolous.
[< Latin -col(a), comb. form representing colere to inhabit (compare colonus) + -ous]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.