eph-

1.
variant of epi- before an aspirate:
ephedrine.
British Dictionary definitions for eph-

eph-

prefix
1.
a variant of epi- ephedra, ephedrine

epi-

prefix
1.
on; upon; above; over: epidermis, epicentre
2.
in addition to: epiphenomenon
3.
after: epigenesis, epilogue
4.
near; close to: epicalyx
Word Origin
from Greek, from epi (prep)