Meaning of EPI- in English
a prefix occurring in loanwords from Greek, where it meant "upon," "on," "over," "near," "at," "before," "after" ( epicedium; epidermis; epigene; epitome ); on this model, used in the formation of new compound words ( epicardium; epinephrine ).
Also, ep-, eph- .
[ epí, prep. and adv. ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012