Greek and Latin roots in English_E

Root Meaning in English Origin language Etymology (root origin) English examples
ec- out Greek ἐκ (ek) eccentric, ecstasy, ecstatic
ecclesi- assembly, congregation Greek ἐκκλησία (ekklēsiā) from ἐκκαλέω (ekkaleō) "I summon" or "I call out" Ecclesiastes, ecclesiastical
eco- house Greek οἶκος (oikos) ecology, economics, economy, ecumenism
ecto- outside Greek ἐκτός (ektos) ectoderm
ed-, es- eat Latin edere, esus edible, obesity
eg- goat Greek αἴξ, αἰγός (aix) egophony
ego- self, I (first person) Latin, Greek ego, ἐγώ egocentric
eiren- peace Greek εἰρήνη (eirene) "peace" eirenic, irenic, irenology
electr- amber Greek ἤλεκτρον (elektron) electron, electricity
elem-, alm- pity Greek ἐλεημοσύνη (eleemosyne) almoner, alms, eleemosynary
em-, empt- buy Latin emere, emptus exemption, preempt, redeem
eme- vomit Greek ἐμεῖν, ἔμετος (emein, emetos) emesis, emetic
emul- striving to equal, rivaling Latin aemulus, aemulare emulator
en-, em- in Greek ἐν (en) emphasis, enclitic, enthusiasm
encephal- brain Greek ἐγκέφαλος (enkephalos) encephalopathy
endo- inside, within Greek ἔνδον (endon) endocardial, endocrine, endocytosis, endoskeleton, endosperm
engy- narrow Greek ἐγγύς (engys) Engystomops
ennea- nine Greek ἐννέα (ennea) ennead, enneagon, enneode
ens- sword Latin ensis ensiform
eo-, eos- dawn, east Greek Ἠώς/Ἕως (ēṓs) Eocene
ep-, epi- upon Greek ἐπί (epi) ephemeral, epicenter, epidemic, epistemic, epitaph, epithet, epoch
equ-, -iqu- even, equal, level Latin aequus equal, equanimity, equate, Equator, equilibrium, equinox, equipoise, equity, equivalence, equivocal, equivocate, iniquity
equ- horse Latin equus equestrian
erg- work Greek έργον (ergon) allergy, energy, erg, ergometer, ergonomics, ergophobia, liturgy, metallurgy, organ, surgeon, synergy
erot- (sexual) love Greek ἔρως, ἔρωτος (erōs, erōtos) erogenous, erotic
err- stray Latin errare aberration, err, errant, erroneous, error
erythr- red Greek ἐρυθρός (eruthros) erythrocyte
eso- within Greek ἔσω (esō) esoteric
eth- custom, habit Greek ἦθος (ēthos) ethology
ethm- sieve, sift Greek ἠθμός (ēthmos); ἤθειν (hethein) ethmoid
ethn- people, race, tribe, nation Greek ἔθνος (ethnos) ethnarch, ethnic
etym- true Greek ἔτυμος (etumos) etymology
eu- well, good Greek εὖ (eu) euphoria, euthanasia
eur- wide Greek εὐρύς (eurus) Europe, eurypterid
ex-, e-, ef- from, out Latin ex exclude, exist, exit, extend, extrude
exo- outside Greek ἔξω (eksō) exoskeleton, exothermic
extra- outer Latin extra, extraneus and exterus estrange, exterior, extra, extraordinary, strange
extrem- outermost, utmost Latin extremus extreme, extremity, extremophile