- variant of octa-: octosyllabic.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
octa- or before a vowel oct-
- eightoctosyllabic; octagon
from Latin octo, Greek okto
Word Origin and History for octo-
word-forming element, before vowels oct-, from comb. form of Latin octo "eight" (see octa-).
Online Etymology Dictionary, © 2010 Douglas Harper
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.