Greek and Latin roots in English_A

Root	Meaning in English	Origin language	Etymology (root origin)	English examples
ab-, a-, abs-, au-	away from	Latin	ab	abnormal, abrasion, absent, abstain, abstraction, auference, aversion
acer-, acri-	bitter, sharp, sour	Latin	acer (acris), acerbus, acere	acerbic, acrid, acrimony, exacerbate
acet-	sour, vinegar	Latin	acetum	acetate, acetic, acetone, acetum
acid-	acidic, sour	Latin	acidus	acidiferous, acidifiant, acidity, acidosis, acidulation
acr-, acro-	height, summit, tip	Greek	ἄκρος (akros) "high", "extreme"	acrobatics, acromegaly, acronym, acrophobia, acropolis
acu-, acut-	sharp, pointed	Latin	acutus, past participle of acuere "to sharpen", from acus "needle"	accurate, acerose, acupuncture, acute, acutifoliate
ad-, a-, ac-, af-, ag-, al-, am-, an-, ap-, ar-, as-, at-	movement to or toward; in addition to	Latin	ad "to", "toward"	accept, adapt, affect, agglomerate, aggrandize, aggregate, aggression, annectent, approximate, ascend
adip-	fat	Latin	adeps, adipis "fat"	adipocellular, adipose
aero-	air, atmosphere	Greek	ἀήρ (aēr) "air"	aerie, aeriferous, aerobic, aerodynamic, aeronautics, aeroplane, aerorrhachia, aerosol, aerotitis
aesthet-	feeling, sensation	Greek	αἰσθητικός (aisthētikos) "of sense perception" from αἰσθάνεσθαι (aisthanesthai) "to perceive"	aesthetics, anaesthetic
aether-, ether-	upper pure, bright air	Latin	aether	ether, ethereal
aev-, ev-	age	Latin	aevum	age, coeval, eon, eternal, longevity, medieval, primeval
ag-, -ig-, act-	do, go, move	Latin	agere, actus	act, action, agenda, agent, agile, agitate, ambiguous, castigate, cogent, cogitate, cogitation, excogitate, mitigate, navigate
ag-, -agogue	lead	Greek	ἄγειν (agein) (cognate with Latin agere)	agony, antagonist, antagonize, demagogue, pedagogue, pedagogy, stragegy, synagogue
agri-, -egri-	field	Latin	ager, agris "field, country"	agriculture, peregrine
agro-	field	Greek	ἀγρός (agros) "field"	agroforestry, agronomy
alac-	cheerful	Latin	alacer	alacrity, allegro
alb-	dull white	Latin	albus	albedo, albino, albumen
alg-	pain	Greek	algos	analgesic, arthralgia, neuralgia
ali-, alter-	other	Latin	alius	alias, alibi, alien, alter, alternate, altruism
alt-	high, deep	Latin	altus, altitudo	altimeter, altitude
am-, amat-	love, liking	Latin	amāre, amatus, amor	amateur, amatory, amenity, amoration, amorous, enamoured
ami-, amic-, imic-	friend	Latin	amicus	amiable, amicable, amity, enemy, enmity, inimical
ambi-, am-, amb-, ambo-, an-	both, on both sides	Latin	ambi	ambidexterity, ambient, ambiguous, ambit, ambition, ambivalent, amboceptor, amputation, ancipital, andante
ambul-	to walk	Latin	ambulare	ambulance, ambulatory, preamble
amph-, amphi-	both, on both sides of, both kinds	Greek	ἀμφί (amphi) "on both sides"	amphibian, amphibolic, amphoterism
ampl-	ample, abundant, bountiful, large	Latin	amplus	ample, amplify, amplitude
an-, a-, am-, ar-	not, without	Greek	Greek ἀν-/ἀ- "not"	anaerobic, anhydrous, ambrosia, arrhythmia, atheism, atypical
ana-, am-, an-	again, against, back, up	Greek	ἀνά (ana)	anabaptist, anaphylaxis, anarrhexis, anion, anode
andr-	male, masculine	Greek	ἀνήρ (anér)	androgen, android, polyandrous, polyandry
anem-, anemo-	wind	Greek	ἄνεμος (anemos)	anemometer
anim-	breath, life, spirit	Latin	anima "breath"	animal, animation
ann-, -enn-	year, yearly	Latin	annus "year"	anniversary, annual, centennial, millennium, perennial
ant-, anti-	against, opposed to, preventive	Greek	ἀντί (anti) "against"	antagonist, antagonize, antibiotic, antipodes, antirrhinum
ante-, anti-	before, in front of, prior to; old	Latin	ante "before", "against"; see also antiquus "old"	antebellum, antediluvian, anticipate, antiquarian, antiquated, antique, antiquity
anth-, antho-	flower	Greek	ἄνθος (anthos) "flower"	anther, anthology
anthrac-	coal	Greek	ἄνθραξ (anthraks)	anthracycline, anthracite, anthrax,
anthrop-, anthropo-	human	Greek	ἄνθρωπος (anthropos) "man"	anthropology, anthropomorphic, misanthrope, philanthropy
ap-, apo-	away from, separate, at the farthest point	Greek	ἀπό (apo) "from, away, un-, quite"	aphelion, apocrine, apocryphal, apogee, apostasy, apostate, aporrhinosis
aper-	open	Latin	aperire	aperture, overt, overture
aqu-, aqua-, aque-, aqui-	water	Latin	aqua	aquamarine, aquarium, aqueduct, aquifer
ara-	plow, till	Latin	ărāre	arable
arbit-	judge	Latin	arbiter (from ad "to" + baetere "to come, go")	arbiter, arbitrage, arbitrary, arbitration
arcan-	box	Latin	arcanus	arcane, arcanum
arch-, arche-, archi-	ruler	Greek	ἀρχή (archē) "rule" (in compounds: ἀρχε-, ἀρχι-)	anarchy, archangel, archetype, architect, autarchy, monarchy, matriarchy, patriarchy, oligarchy
archae-, arche-	ancient	Greek	ἀρχαῖος (arkhaios) "ancient" from arkhē "beginning"	archaeology, archaic, archaism
arct-	Relating to the North Pole or the region near it; relating to cold	Greek	ἄρκτος (arktos) "bear"	Arctic Ocean
ard-	heat, glow, passion	Latin	ardere "to burn"	ardent, ardor, arson
ardu-	difficult	Latin	arduus "high, steep"	arduous
argent-	silver	Latin	argentum	argent, Argentina
areta-	virtue	Greek	ἀρετή (aretē)	aretaic
arid-	be dry	Latin	ārēre "be dry or parched"	arid
arist-	excellence	Greek	ἄριστος (aristos)	aristocracy
art-	art	Latin	ars, artis	artist, artillery, artisan, inert, inertia
arthr-	joint	Greek	ἄρθρον (arthron)	arthritis, arthropod
asper-	rough	Latin	asper "rough"	asperity, exasperate
aster-, astr-	star, star-shaped	Greek	ἄστρον (astron) "star"	aster, asterisk, asteroid, astrology, astronomy, astronaut
athl-	prize	Greek	ἄθλος (athlos) "contest, feat"	athlete, triathlon, pentathlon
-athroid-	gathered or lumped together	Greek	αθροίζω (athroidzo) "I gather together"	hypoathroid, epiathroid
auda-	daring	Latin	audax "brave, bold, daring", from audere "to dare"	audacious, audacity
audi-	hearing, listening, sound	Latin	audire "to hear"	audible, audio, audiology, audition, auditorium, auditory
aug-, auct-	grow, increase	Latin	augēre, auctus "to increase"	auction, augend, augment, augmentation, augur, augury, august, author, auxiliary, inauguration
aur-	relating to gold, or gold-colored	Latin	aurum "gold"	aureate, aureole
auri-, aus-	relating to the ear	Latin	auris "ear"	auricle, aurinasal, auscultate, auscultation
aut-, auto-, autor-	self; directed from within	Greek	αὐτός (autos) "self", "same"	autarchy, autocracy, autograph, automatic, automobile, autonomy
avi-, au-	bird	Latin	avis	auspice, auspicious, avian, aviary, aviation,
axi-	axis	Latin	axis	axis, axisymmetry
axi(o)-	merit	Greek	ἄξιος (axios) "worth"	axiology, axiom