- a combining form meaning “eleven,” used in the formation of compound words: hendecahedron.
Origin of hendeca-
combining form representing Greek héndeka eleven, equivalent to hén one (neuter of heîs) + déka ten
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- elevenhendecagon; hendecahedron; hendecasyllable
from Greek hendeka, from hen, neuter of heis one + deka ten
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for hendeca-
word-forming element meaning "eleven," from Latinized form of Greek hendeka "eleven," from hen, neuter of eis "one" + deka "ten" (see ten).
Online Etymology Dictionary, © 2010 Douglas Harper