Also found in: Medical, Acronyms.
cata-(word root) down, through
Examples of words with the root cata-: catalog
1. Down: catadromous.
2. Reverse; backward; degenerative: cataplasia.
kata-, before an aspirate
cath-or before a vowel
1. down; downwards; lower in position: catadromous; cataphyll.
2. indicating reversal, opposition, degeneration, etc: cataplasia; catatonia.
[from Greek kata-, from kata. In compound words borrowed from Greek, kata- means: down (catabolism), away, off (catalectic), against (category), according to (catholic), and thoroughly (catalogue)]
a prefix meaning “down,” “against,” “back,” occurring orig. in loanwords from Greek: cataclysm; catalog; catalepsy. Also, esp. before a vowel or h, cat-.
[< Greek kata-, comb. form of katá down, through, against, etc.]