epi-
a prefix occurring in loanwords from Greek, where it meant “upon,” “on,” “over,” “near,” “at,” “before,” “after” (epicedium; epidermis; epigene; epitome); on this model, used in the formation of new compound words (epicardium; epinephrine).
Nearby words
- ephors,
- ephraim,
- ephraimite,
- ephrata,
- ephs.,
- epiandrosterone,
- epibenthos,
- epibiosis,
- epibiotic,
- epiblast
Origin of epi-
< Greek, prefixal use of epí, preposition and adv.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
epi-
eph- or before a vowel ep-
prefix
on; upon; above; overepidermis; epicentre
in addition toepiphenomenon
afterepigenesis; epilogue
near; close toepicalyx
Word Origin for epi-
from Greek, from epi (prep)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
epi-
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," from PIE *epi, *opi "near, at, against" (cf. 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"). Before unaspirated vowels, reduced to ep-; before aspirated vowels, eph-. A productive prefix in Greek; also used in modern scientific compounds (e.g. epicenter).
Online Etymology Dictionary, © 2010 Douglas Harper
epi-
pref.
On; upon:epineural.
Over; above:epibasal.
Around:epicystitis.
Close to; near:epimer.
Besides:epiphenomenon.
After:epigenesis.
The American Heritage® Stedman's Medical Dictionary
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