Epitaph, epicenter, epidemic, epidemiology
Several meanings:
On, above and in addition (online dictionary) Note the directional reference.
Greek origin-near, upon
mid
epi/gastricEpi- (above)gastr (stomach)-ic (pertaining to)
intra-
dermis, from the latin word "derma" meaning skin, is the root word epi is the prefix meaning "on"
The teacher had a mosquito bite upon his lip
Epi is the prefix to change to "dia". One has "epi"logue which changes to "dia"logue...a conversation.
The prefix for episode is "epi-".
The morpheme "epi" is a Greek prefix meaning "upon," "over," or "above." It is commonly used in various terms, such as "epidermis" (the outer layer of skin) and "epicenter" (the point on the Earth's surface directly above an earthquake's origin). In general, "epi" denotes a position that is on top of or in addition to something else.
Epicenter, epidural, epilation, and epinephrine are all words that start with the prefix epi-.
The prefix opposite of "epi" is "hypo." The prefix "epi-" means "on, over, above," while the prefix "hypo-" means "under, below, beneath." These prefixes are commonly used in scientific and medical terminology to indicate different positions or levels of something relative to a reference point.
One likely possibility would be "epi."
mid
epi/gastricEpi- (above)gastr (stomach)-ic (pertaining to)
The prefix in the word "seizure" is "seiz-".
intra-
the greek prefix para means beyond
poly- eg:polygamy