ἐπί
epí
ep-ee'
a primary preposition; properly, meaning superimposition (of time, place, order, etc.), as a relation of distribution (with the genitive case), i.e. over, upon, etc.; of rest (with the dative case) at, on, etc.; of direction (with the accusative case) towards, upon, etc.. In compounds it retains essentially the same import, at, upon, etc. (literally or figuratively).

KJV translates as: about (the times), above, after, against, among, as long as (touching), at, beside, X have charge of, (be, (where))fore, in (a place, as much as, the time of, to), (because) of, (up)on (behalf of), over, (by, for) the space of, through(out), (un)to(ward), with