epi-, ep-

(Greek: above, over, on, upon; besides; in addition to; toward; among)

epipedos (adjective), more epipedos, most epipedos
Regarding the top of the ground; level; flat: Jack worked on the garden to make it epipedos and easy to cultivate his vegetables.
epipelagic (adjective) (not comparable)
Relating to the upper zone of the ocean: The epipelagic stratum of the sea extends from the surface to a depth of about 200 meters (656 feet).

The epipelagic layer of the sea is also the part into which enough sunlight enters for photosynthesis to take place.

Epiphany, epiphany
1. When capitalized, a Christian festival, observed on January 6, commemorating the manifestation of Christ to the gentiles in the persons of the Magi; Twelfth-day.
2. An appearance or manifestation; especially, of a deity.
3. A sudden, intuitive perception of or insight into the reality or essential meaning of something, usually initiated by some simple, homely, or commonplace occurrence or experience.
4. A literary work or section of a work presenting, usually symbolically, such a moment of revelation and insight.
5. Etymology: from Greek epiphainein, "to manifest, to display" from epi- "on, to" + phainein, "to show".
An exclamatory sentence or an especially striking summary comment concluding a discourse.
epiphyte (s) (noun), epiphytes (pl)
Something that lives on the surface of other plants but does not derive water or nourishment from them: An epiphyte grows on a terrestrial plant and lacks direct contact with soil or water because they are able to get moisture and nutrients from the air or from small pools of water that collect on the host plant.

Spanish moss and many orchids are considered to be epiphytes.

epiplankton (s) (noun), epiplanktons (pl)
1. Microscopic oceanic living plants or animals that exist within the surface of a sea down to about 200 m (the epipelagic zone): In Jane's biology class, the teacher explained the characteristics of epiplankton and that they inhabited surface water down to about 100 fathoms.
2. Organisms living attached to larger pelagic organisms or to floating objects: It has been discussed that epiplankton have fastened themselves to bigger lifeforms which drift along in the water.
omentectomy; surgical removal or the excision of the upper part of the omentum.

The omentum is a sheet of fat that is covered by the peritoneum.

The greater omentum is attached to the bottom edge of the stomach, and hangs down in front of the intestines. Its other edge is attached to the transverse colon.

The lesser omentum is attached to the top edge of the stomach, and extends to the under surface of the liver.

In zoology, a muscular lobe developed from the lateral and upper surfaces of the foot of some molluscs.
epipogon: Epipogon aphyllus
An orchid that is "bearded above".

Related "above, over, beyond the normal, excessive" word units: hyper-; super-, supra-, sur; ultra-, ult-.