-gony

-gony

suff.
Generation; reproduction; manner of origin: heterogony.

[Latin -gonia, from Greek -goneia, from gonos, offspring; see genə- 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.

-gony

n combining form
genesis, origin, or production: cosmogony.
[from Latin -gonia, from Greek, -goneia, from gonos seed, procreation]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

-gony

a combining form meaning “origin,” “development”: cosmogony.
[< Greek -gonia; see gono-, -y3]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.