a prefix occurring orig. characterized by cleverness or originality of invention or construction. Each list is alphabetized by English meanings, with the corresponding Greek and Latin roots given. carried on abroad, or with other countries. First, prefixes and suffixes, most of which are derived from ancient Greek or classical Latin, have a droppable -o-. The following is an alphabetical list of medical prefixes and suffixes, along with their meanings, origins, and English examples. before vowels reduced to ep-, before aspirated vowels eph-, word-forming element meaning "on, upon, above," also "in addition to; toward, among," from Greek epi "upon, at, close upon (in space or time), on the occasion of, in addition," also "after," from PIE *epi, *opi "near, at, against" (source also of Sanskrit api "also, besides;" Avestan aipi "also, to, toward;" Armenian ev "also, and;" Latin ob "toward, against, in the way of;" Oscan op, Greek opi- "behind;" Hittite appizzis "younger;" Lithuanian ap- "about, near;" Old Church Slavonic ob "on"). Prefixes are key morphemes in English vocabulary that begin words. Some words that begin with the prefix epi-. ", https://en.wikipedia.org/w/index.php?title=List_of_medical_roots,_suffixes_and_prefixes&oldid=984852771, Articles containing Ancient Greek (to 1453)-language text, Short description is different from Wikidata, Articles with unsourced statements from April 2019, Articles containing Middle English (1100-1500)-language text, Creative Commons Attribution-ShareAlike License, denoting something as different, or as an addition, denoting something as positioned on both sides; describing both of two, Pertaining to the membranous fetal sac (amnion), describing something as positioned in front of another thing, describing something as 'against' or 'opposed to' another, of or pertaining to the armpit (uncommon as a prefix), azothermia: raised temperature due to nitrogenous substances in blood, Indicating 'short' or less commonly 'little', of or pertaining to the head (as a whole), applied to describing processes and parts of the body as likened or similar to horns, denotes a surgical operation or removal of a body part; resection, excision, of or pertaining to the pubic region, the loins, hole, opening, or aperture, particularly in bone, used to form adjectives indicating "having the form of", a hollow or depressed area; a trench or channel, instrument used to record data or picture, denotes something as "the other" (of two), as an addition, or different, denotes something as "the same" as another or common, of or pertaining to the shoulder (or [rarely] the upper arm), of or pertaining to medicine or a physician (, denotes a field in medicine emphasizing a certain body component, of or pertaining to the abdominal wall, flank, denotes someone who studies a certain field (the field of _____-logy); a specialist; one who treats, denotes the academic study or practice of a certain field; the study of. Prefix definition:. Definition & Meaning: Epi Root Word. This is a list of roots, suffixes, and prefixes used in medical terminology, their meanings, and their etymologies.