Greek and Latin roots in English_D

Root	Meaning in English	Origin language	Etymology (root origin)	English examples
dactyl-	digit, finger, toe	Greek	δάκτυλος (daktulos)	dactylology, pterodactyl
damn-, -demn-	to inflict loss upon	Latin	damnāre	condemn, damnation, indemnify
de-	from, away from, removing, down	Latin	dē	deletion, dementia, descend
deb-	owe	Latin	debere, debitus	debit
deca-, dec-, deka-, dek-	ten	Greek	δέκα (deka), ten	decade, decagram, decahedron, Decalogue, decameter
decim-	tenth part	Latin	decimus, tenth; from decem, ten	decimal, decimate
decor-	ornament	Latin	decorus "fit, proper" and decorare "to decorate", from decor "beauty, ornament" and decus "ornament"	decor, decorate, decorous, decorum
delt-	shaped like a Δ	Greek	δέλτα (delta)	deltoid
dem-	people	Greek	δῆμος (dēmos)	demagogue, democracy, demography, endemic, epidemic
den-	ten each	Latin	deni	denarius, denary, denier, dinar, dinero, dinheiro
dendr-	resembling a tree	Greek	δένδρον (dendron): akin to δρύς, (drys) "tree"	dendrite, dendrochronology, rhododendron
dens-	thick	Latin	densus	condense, dense, density
dent-	tooth	Latin	dens, dentis	dental, dentifrice, dentures
derm-	skin	Greek	δέρμα (derma)	Dermaptera, dermatology, dermis, epidermis, hypodermic, taxidermy
deuter-	second	Greek	δεύτερος (deuteros)	Deuteronomy, deuterostome
dexter-	right	Latin	dexter	dexterity, dextrose
dexi-	right	Greek	δεξιός (deksios)	Dexiarchia
di-	two	Greek	δι- (di-)	dicot, diode, dipole
dia-	apart, through	Greek	διά (dia)	diagram, dialysis, diameter
dict-	say, speak, proclaim	Latin	dicere, dictare	abdicate, benediction, malediction, contradict, dictate, dictator, dictation, diction, dictionary, dictum, edict, predicate, predict, verdict
dida-	teach	Greek	διδάσκειν (didaskein)	didactic
digit-	finger	Latin	digitus	digital
dilu-, delu-	flood, wash away	Latin	diluere	antediluvian, deluge, dilution, diluvial, diluvian
dino-	terrible, fearfully great	Greek	δεινός (deinos)	dinosaur
dipl-	double; twofold	Greek	διπλός (diplos)	diploid, diplosis
doc-, doct-	teach	Latin	docere, doctus	docile, doctor, doctrine, document, indoctrinate
dodec-	twelve	Greek	δώδεκα (dōdeka)	dodecahedron, dodecasyllabic
dog-, dox-	opinion, tenet	Greek	δόξα (doxa) "opinion", from δοκεῖν (dokein) "to appear, seem, think"	dogma, dogmatic, dogmatism, doxology, heterodox, orthodox, paradox
dol-	pain	Latin	dolere "to grieve", also dolus "grief" and dolor "pain"	condolence, dol, doleful, dolorous, indolence
dom-	house	Latin	domus	dame, dome, domestic, domicile
domin-	master	Latin	dominus "master"; (from domus "house")	danger, domain, dominant, dominate, domination, domineer, dominion, domino, dungeon, predominant
domit-	tame	Latin	domitare, frequentative of domare	daunt, domitable, indomitable
don-	give	Latin	dōnum, donare	condone, donate, donation, donor, pardon
dont-	tooth	Greek	ὀδόντος (odontos)	orthodontist, periodontal
dorm-	sleep	Latin	dormire	dormant, dormitory
dors-, dos-	back	Latin	dorsum	dorsal, dossier, endorse
-drome	run, step	Latin	dromos	hippodrome, palindrome, syndrome
du-	two	Latin	duo	dual, duality, duo, duplex, duplicity
dub-	doubtful	Latin	dubius	doubt, dubiety, dubious
duc-, duct-	lead	Latin	ducere	abduce, abduct, conduce, deduce, induce, introduce, produce, reduce, seduce, traduce
dulc-	sweet	Latin	dulcis	billet-doux, dolce, dulcet, dulcimer
dur-	hard	Latin	durus, durare	durable, duration, duress, endure, obduracy, obdurate, obduration
dy-	two	Greek	δύο (duo)	dyad
dyna-	power	Greek	δύναμαι (dunamai)	dynamic, dynamism, dynamite, dynamo, dynasty
dys-	badly, ill	Greek	δυσ- (dus-)	dysentery, dysplasia, dystrophy