# List of Greek and Latin roots in English/D

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## D

| Root | Meaning in English | Origin language | Etymology (root origin) | English examples |
| da-, dida- (ΔΑ) | learn | Greek | δάω | autodidact, Didache, didact, didactic, didacticism |
| dacry- | tear | Greek | δάκρυον, δακρύειν, δάκρυμα (dákruma) | dacryoadenitis, Dacryphilia |
| dactyl- | digit, finger, toe | Greek | δάκτυλος (dáktulos) | anisodactyly, antidactylus, arachnodactyly, artiodactyl, brachydactyly, clinodactyly, dactyl, dactylic, dactylology, dactylomancy, dactylomegaly, dactylus, dactyly, date, didactyly, ectrodactyly, heterodactylous, heterodactyly, leptodactylous, monodactyly, oligodactyly, pamprodactyly, pentadactyl, pentadactylous, pentadactyly, perissodactyl, polydactyly, pterodactyl, schizodactyly, syndactylous, syndactyly, tetradactylous, tetradactyly, tridactyly, zygodactyly |
| dam- (ΔΑΜ) | tame | Greek | δάμασις (dámasis), ἀδάμας (adámas) "untameable, invincible" | adamant, adamantine, adamantinoma, Damian |
| damn-, -demn- | to inflict loss upon | Latin | damnum, damnāre | condemn, condemnation, damage, damnation, indemnify, indemnity |
| de- | bind | Greek | δεῖν (deîn), δετός, δέσις (detós, désis), δέμα (déma), δεσμός (desmós), δέσμα (désma) | arthrodesis, asyndeton, desmid, desmitis, desmoid, desmoplasia, desmosome, diadem, plasmodesma, polysyndeton, syndesis, syndesmosis, syndetic, syndeton |
| de- | down, away from, removing | Latin | dē | decay, decide, declare, decline, decompose, dedicate, deduce, defend, deletion, delineate, delude, demarcate, dementia, depress, derogatory, desecrate, descend, destroy, detract |
| deb- | owe | Latin | debere, debitus | debit, debt |
| dec- | ten | Latin from Greek | δέκα (déka) "ten", δεκάς, δεκάδος (dekás, dekádos), δεκάκις (dekákis) "ten times", δεκαπλάσιος (dekaplásios) "ten-fold" decem, "ten" decies, "ten times" decumo, "tenfold" | decad, decade, decagon, decagram, decahedron, Decalogue, decamer, decamerous, decameter, decapod, decathlon |
| decim- | tenth part | Latin | decimus, tenth; from decem, ten | decimal, decimate, decimation, decimator, decuman, dime |
| decor- | ornament | Latin | decorus "fit, proper" and decorare "to decorate", from decor "beauty, ornament" and decus "ornament" | decor, décor, decorament, decorate, decoration, decorative, decorator, decorous, decorum, redecorate |
| del- | erase | Latin | delere (from dē + linere) | delete, deletion, indelible |
| delt- | D, d | Greek | Δ, δ, δέλτα (délta) | delta, deltoid, deltahedron |
| dem-, dom- | build | Greek | δέμειν (démein), δῶμα, δῶματος, δομή, δόμος (dómos), δέμας (démas) | apodeme, monodomy, opisthodomos, polydomy |
| dem- | people | Greek | δῆμος (dêmos) | Damocles, demagogue, deme, democracy, demographic, demography, demonym, demophobia, demotic, ecdemic, endemic, epidemic, epidemiology, pandemic |
| den- | ten each | Latin | dēnī | denar, denarian, denarius, denary, denier, dinar, dinero, dinheiro |
| dendr- | tree | Greek | δένδρον (déndron); akin to δρύς (drús) "tree" | dendric, dendrite, dendrochronology, dendrogram, dendromancy, Epidendrum, rhododendron |
| dens- | thick | Latin | densus | condensable, condensate, condensation, condensational, condensative, condense, dense, density, nondense, superdense |
| dent- | tooth | Latin | dens, dentis | bident, bidental, dandelion, dental, dentary, dentate, dentation, dentelle, denticity, denticle, denticulate, dentiferous, dentiform, dentifrice, dentigerous, dentil, dentin, dentinal, dentine, dentition, denture, indent, indentation, indenture, interdental, interdentil, intradental, multidentate, quadridentate, trident, tridentate |
| der- | skin | Greek | δέρειν (dérein), δέρμα, δέρματος (dérma, dérmatos) | Dermaptera, dermatology, dermis, ectoderm, endoderm, epidermis, hypodermic, mesoderm, scleroderma, taxidermy, xeroderma |
| despot- | master | Greek | δεσπότης, δεσπότου, δεσποτικός, δεσποτεία, δεσποτίσκος | despot, despotic, despotism |
| deuter- | second | Greek | δεύτερος (deúteros) | deuteragonist, deuteranomaly, deuteranopia, deuteride, deuterium, deuterogamist, deuterogamy, Deuteromycota, deuteron, Deuteronomy, deuterostome |
| dexi- | right | Greek | δεξιός (dexiós) | Dexiarchia |
| dexter- | right | Latin | dexter | ambidexterity, ambidextrous, dexter, dexterity, dexterous, dextral, dextrality, dextrin, dextrorse, dextrose |
| di- | two | Greek | δι- (di-) | diatomic, dicot, digamy, diode, dipole |
| dia- | apart, through | Greek | διά (diá) | deacon, diagram, dialysis, diameter |
| div-, diff- | different | Latin | diversum | different, divergence, diversity, divide, diffeomorphism |
| diacosi- | two hundred | Greek | διακόσιοι (diakósioi), διακοσιάκις "two hundred times" | diacosigon, diacosipentecontaheptagon |
| dic-, dict- | say, speak, proclaim | Latin | dīcere, dictus, dictare | benediction, contradict, dictate, dictation, dictator, diction, dictionary, dictum, edict, indictment, interdiction, malediction, predict, prediction, valediction, verdict |
| dida- | teach | Greek | διδάσκειν (didáskein) | autodidact, Didache, didact, didactic |
| digit- | finger | Latin | digitus | bidigitate, digit, digital, digitate, digitiform, digitigrade, multidigit, multidigitate |
| din- | terrible, fearfully great | Greek | δεινός (deinós) | dinosaur |
| dipl- | twofold | Greek | διπλόος (diplóos), δίπλωσις (díplōsis), δίπλωμα (díplōma) | diploblasty, diploid, diploidy, diploma, diplomacy, diplomat, diplomatic, diplomatics, diplonema, diplophase, diplopia, diplosis, diplotene, haplodiploid, haplodiploidy |
| do- (ΔΟ) | give | Greek | διδόναι (didónai), δοτός, (dotós,), δόσις (dósis), δόμα, δόματος (dóma, dómatos) δῶρον, διδόμενον | anecdote, antidoron, antidote, apodosis, dose |
| doc-, doct- | teach | Latin | docere, doctus | docile, doctor, doctrine, document, indoctrinate, indoctrination |
| dodec- | twelve | Greek | δώδεκα (dṓdeka) | dodecagon, dodecahedron, Dodecanese, dodecaphony, dodecastyle, dodecasyllabic, hemidodecahedron |
| dog-, dox- | opinion, tenet | Greek | δοκεῖν (dokeîn) "to appear, seem, think", δόξα (dóxa) "opinion", δόγμα (dógma) | 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, domal, dome, domestic, domesticate, domestication, domesticity, domestique, domicile, domiciliary, major-domo, semidome |
| domin- | master | Latin | dominus "master"; (from domus "house") | beldam, beldame, belladonna, codomain, codominance, codominant, condominium, dam, dame, damsel, danger, demesne, demoiselle, domain, dominance, dominant, dominate, domination, dominative, dominator, dominatrix, domine, domineer, dominicide, dominion, dominium, domino, duenna, dungeon, madam, madame, mademoiselle, madonna, predominance, predominant, predominate, quasidominance, semidominance, subdominant, superdominant |
| domit- | tame | Latin | domitare, frequentative of domare | daunt, domitable, indomitable |
| don- | give | Latin | dōnum, donare | condonation, condone, donate, donation, donative, donator, donatory, donor, pardon, pardonable |
| dorm- | sleep | Latin | dormire | dormant, dormitory |
| dors- | back | Latin | dorsum | disendorse, dorsal, dorsiferous, dorsiflexion, dorsiflexor, dorsigrade, dorsiventral, dorsum, dossier, endorse, endorsee, endorsement, indorse, indorsement, reredos |
| dra- | do | Greek | δρᾶν (drân), δραστικός (drastikós), δρᾶσις (drâsis), δρᾶμα, δράματος (drâma, drámatos), δραματικός (dramatikós) | dramatic, dramaturgy, drastic, melodramatic, monodrama |
| drac- | dragon | Latin | draco | Draco, draconian |
| drach- | grasp | Greek | δράσσεσθαι (drássesthai), δράγμα (drágma), δραχμή (drakhmḗ) | didrachm, drachm, drachma, dram, tetradrachm |
| dram-, drom- (ΔΡΑΜ) | run | Greek | δραμεῖν (drameîn), δρόμος (drómos) | aerodrome, anadromous, antidromic, catadromous, diadromous, dromaeosaurid, heterodromous, hippodrome, loxodrome, monodromy, palindrome, syndrome |
| dros- | dew | Greek | δρόσος, δρόσου (drósos, drósou) | drosometer, Drosophila |
| dry- | tree | Greek | δρῦς, δρυός (drûs, druós), Δρυάς | dryad, dryadic, hamadryad |
| du- | two | Latin | duo | deuce, doubt, dual, duality, duet, duo, duplex, duplicity, duumvirate, duumviri, nonduality |
| dub- | doubtful | Latin | dubius | doubt, dubiety, dubious |
| duc-, duct- | lead | Latin | ducere, ductus | abduce, abduct, adduce, adduct, conduce, deduce, induce, introduce, produce, reduce, seduce, traduce |
| dulc- | sweet | Latin | dulcis | billet-doux, dolce, dolcetto, douce, doux, dulcet, dulcian, dulcify, dulcimer, edulcorant, edulcorate, subdulcid |
| dur- | hard | Latin | durus, durare | dour, dura, durability, durable, durain, dural, duramen, durance, durancy, duration, durative, dure, duress, durity, durous, durum, endurable, endurance, endurant, endure, indurate, induration, nondurable, obduracy, obdurate, obduration, perdurable, perdurance, perdure, subdural |
| dy- | two | Greek | δύο (dúo), δυάς, δυάδος (duás, duádos) | dyad, dyadic |
| dyna- | power | Greek | δύνασθαι (dúnasthai), δυνατός, δύναμις (dúnamis), δυνάστης (dunástēs) | aerodynamic, aerodynamics, antidynastic, autodyne, didynamous, dynamic, dynamism, dynamite, dynamo, dynast, dynastic, dynasty, heterodyne, metadynamics |
| dys- | badly, ill | Greek | δυσ- (dus-) | dysentery, dysphagia, dysphasia, dysplasia, dystrophy |