Dictionary
cata-
a prefix meaning “down,” “against,” “back,” occurring originally in loanwords from Greek (
cataclysm; catalog; catalepsy); on this model, used in the formation of other compound words (
catagenesis; cataphyll).
Also,cat-,cath-,kata-.Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.