octa-

Origin

octa-

a combining form occurring in loanwords from Greek and Latin, where it meant “eight” (octagon; octastyle), on this model, used in the formation of compound words, and in chemical terms specialized to mean “having eight atoms” (octavalent).
Also, oct-, octo-.


Origin:
< Greek okta-, combining form of oktṓ eight
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Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source Link To octa-

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Octa- is always a great word to know.
So is callithumpian. Does it mean:
an extraordinary or unusual thing, person, or event; an exceptional example or instance.
a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.
Collins
World English Dictionary
octa-
 
combining form
a variant of octo-

octo-, (before a vowel) octa- or (before a vowel) oct-
 
combining form
eight: octosyllabic; octagon
 
[from Latin octo, Greek okto]
 
octa-, (before a vowel) octa- or (before a vowel) oct-
 
combining form
 
[from Latin octo, Greek okto]
 
oct-, (before a vowel) octa- or (before a vowel) oct-
 
combining form
 
[from Latin octo, Greek okto]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin & History

octa-
prefix meaning "eight," from L. octo, Gk. okto-, cognate with Skt. asta, Goth. ahtau, O.E. eahta (see eight).
Online Etymology Dictionary, © 2010 Douglas Harper
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