1921  epiginosko  ep-ig-in-
oce'-ko

 from 1909 and 1097; to know 
upon some mark, i.e. 
recognize; by implication, to 
become fully acquainted with, 
to acknowledge:--(ac-, have, 
take)know(-ledge, well), 
perceive.

 see GREEK for 1909

 see GREEK for 1097