a prefix in loanwords from Greek, where it means “up,” “against,” “back,” “re-”: anabasis; used in the formation of compound words: anacardiaceous.
Also especially before a vowel, an-.

Origin of ana-

< Greek, combining form of aná; no necessary relation to on Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for ana-


before a vowel an-


up; upwardsanadromous
back; backwardsanatropous

Word Origin for ana-

from Greek ana
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

Medicine definitions for ana-



Upward; up:anacrotic.
Backward; back:anaplasia.
Again; anew:anabiosis.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.