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word element [Gr.], down; lower; under; against; along with; very.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.


, cat-, cath-, kata-, kat- [Gr. kata, down, against, according to]
Prefix meaning down, downward, destructive, or against.
Medical Dictionary, © 2009 Farlex and Partners