2722  katecho  kat-ekh'-o

 from 2596 and 2192; to hold 
down (fast), in various 
applications (literally or 
figuratively):--have, hold 
(fast), keep (in memory), 
let, X make toward, possess, 
retain, seize on, stay, take, 
withhold.

 see GREEK for 2596

 see GREEK for 2192