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penta-(word root) five
Examples of words with the root penta-: pentagram
Abused, Confused, & Misused Words by Mary Embree Copyright © 2007, 2013 by Mary Embree
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.
five: pentagon; pentameter; pentaprism.
[from Greek pente five]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a combining form meaning “five”: pentavalent. Also, esp. before a vowel,pent-.
[< Greek pent-, penta-, comb. forms representing pénte five]
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