fissi-

fissi-

(word root) cleft, split
Examples of words with the root fissi-: fissiparous, fission
Abused, Confused, & Misused Words by Mary Embree Copyright © 2007, 2013 by Mary Embree

fissi-

pref.
1. Fission: fissiparous.
2. Split; cleft: fissipalmate.

[From Latin fissus, past participle of findere, to split; see bheid- 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.

fissi-

combining form
indicating a splitting or cleft: fissirostral.
[from Latin fissus, past participle of findere to split]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

fissi-

a combining form meaning “cleft” (fissiped), “fission” ( fissiparous).
[< Latin, comb. form of fissus cloven, fissum fissure]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.