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archaeo-

American  
  1. a combining form meaning “ancient,” used in the formation of compound words.

    archaeopteryx; archaeology.


archaeo- British  

combining form

  1. indicating ancient or primitive time or condition

    archaeology

    archaeopteryx

  2. of, involving, or denoting the study of remains from archaeological sites

    archaeozoology

"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

Etymology

Origin of archaeo-

< Greek, combining form of archaîos, equivalent to arch- ( archi- ) + -aios adj. suffix