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des-

From Wiktionary, the free dictionary

See also: Appendix:Variations of "des"

English

Etymology

From Middle English des-, dis-, from Old French des-, from Latin dis-.

Prefix

des-

Obsolete form of dis-. (reversal of sense of succeeding word)
(organic chemistry) A removal of a group from a molecule.

Derived terms

Anagrams

sed, eds, Eds, Esd., SDE, EDS, EDs, SED, eds., DSE, ESD

Basque

Etymology

From Spanish des-, from Latin dis-, from Proto-Indo-European *dwís.

Prefix

des-

dis-; expresses separation, reversal, or negation.^[1]
‎des- + ‎agertu (“to appear”) → ‎desagertu (“to disappear”)

References

^ “des-” in Etymological Dictionary of Basque by R. L. Trask, sussex.ac.uk

Further reading

“des-”, in Euskaltzaindiaren Hiztegia [Dictionary of the Basque Academy] (in Basque), Euskaltzaindia [Royal Academy of the Basque Language]
“des-”, in Orotariko Euskal Hiztegia [General Basque Dictionary], Euskaltzaindia, 1987–2005

Catalan

Etymology

Inherited from Latin dis-, from Proto-Indo-European *dwís. Doublet of dis-, which was borrowed.

Prefix

des-

indicates the negation of a verb; dis-, un-
‎des- + ‎fer (“to do”) → ‎desfer (“to undo”)

Derived terms

Catalan terms prefixed with des-

descentralitzar

descontrolar-se

desestabilitzar

desfibril·lador

desfibril·lació

desjudicialització

desjudicialitzar

desmilitaritzar

desmobilització

desvergonyir-se

Further reading

“des-” in Diccionari de la llengua catalana, segona edició, Institut d’Estudis Catalans.
“des-”, in Gran Diccionari de la Llengua Catalana, Grup Enciclopèdia Catalana, 2025.
“des-” in Diccionari normatiu valencià, Acadèmia Valenciana de la Llengua.
“des-” in Diccionari català-valencià-balear, Antoni Maria Alcover and Francesc de Borja Moll, 1962.

Czech

Prefix

des-

Alternative form of dez-

Derived terms

Czech terms prefixed with des-

Danish

Etymology

From French dés-, from Latin dis-.

Prefix

des-

dis-, de-
Synonyms: fra-, af-

Derived terms

Danish terms prefixed with des-

See also

Dutch

Pronunciation

IPA^(key): /dɛs/

Prefix

des-

des-
dis-

Dutch terms prefixed with des-

German

Prefix

des-

des-
dis-

German terms prefixed with des-

Ido

Etymology

Borrowed from English dis-, French dés-, Italian dis-, Spanish des-. Compare dis-, from the same origin. Decision no. 251, Progreso IV.

Pronunciation

IPA^(key): /dɛs/

Prefix

des-

Expresses the opposite of the root word.
‎des- + ‎honoro (“honor”) → ‎deshonoro (“dishonor”)

Derived terms

Ido terms prefixed with des-

desequilibrigar

References

Progreso III (in Ido), 1910–1911, page 19, 92, 150, 215, 216

Luxembourgish

Pronunciation

IPA^(key): /des/, [dəs], /dæs/

Prefix

des-

de-; dis-

Derived terms

Luxembourgish terms prefixed with des-

desacceleréieren

desaktivéieren

desapprouvéieren

desavantagéieren

desinfizéieren

Middle English

Prefix

des-

Alternative form of dis-

Middle French

Etymology

From Old French des-.

Prefix

des-

de-; dis-

Descendants

French: dé-, dés-

Norman

Etymology

From Old French des-, from Latin dis-.

Prefix

des-

dis-

Derived terms

Norman terms prefixed with des-

d'senchorchéler

Occitan

Etymology

From Old Occitan des-, from Latin dis-.

Prefix

des-

de-; dis-

Old French

Etymology

From Latin dis-.

Prefix

des-

de-; dis-

Descendants

French: dé-, dés-
Norman: dê-, d's-
→ English: des-

Portuguese

Etymology

From Old Galician-Portuguese des-, from Latin dis-, from Proto-Indo-European *dwís.

Pronunciation

(Brazil) IPA^(key): (before a voiceless consonant) /des/, /d͡ʒis/, (before a vowel or voiced consonant) /dez/, /d͡ʒiz/
(Portugal) IPA^(key): (before a voiceless consonant) /dɨʃ/, (before a voiced consonant) /dɨʒ/, (before a vowel) /dɨz/, /d͡z/

Prefix

des-

un-; de-; dis- (forms verbs indicating the reversal of the prefixed verb)
‎des- + ‎ligar (“to turn on”) → ‎desligar (“to turn off”)
un- (forms nouns indicating the lack or opposite of the prefixed noun)
‎des- + ‎amor (“love”) → ‎desamor (“disdain”)
Misspelling of dis-.

Derived terms

Portuguese terms prefixed with des-

desabrasileirar

desaceleração

desalquilação

desambiguação

desamericanizado

desarmamentista

descalcificação

descentralização

desconformidade

desconfortável

desconseguimento

desconsideração

desconstitucionalizar

descontextualizar

descriminação

descriminalizar

desencriptação

desentendimento

desesperançado

Romanian

Alternative forms

dez-

Etymology

Inherited from Latin dis-, from Proto-Indo-European *dwís.

Pronunciation

IPA^(key): /des/

Prefix

des-

dis-, de-
‎des- + ‎face (“to do”) → ‎desface (“to undo”)

Derived terms

Romanian terms prefixed with des-

descăpățâna

desproprietări

Romanian terms prefixed with dez-

dezindividualiza

dezîncântământ

dezmărturisire

deznaționaliza

dezorânduială

Spanish

Etymology

Inherited from Old Spanish des-, from Latin dis-, from Proto-Indo-European *dwís. Doublet of dis-, which was borrowed.

Prefix

des-

dis-; indicative of a negative
‎des- + ‎colgar (“to hang up (a phone)”) → ‎descolgar (“to pick up (a phone)”)

Derived terms

Spanish terms prefixed with des-

descolonización

descontextualizar

descriminalizar

descristianizar

Further reading

“des-”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8, Royal Spanish Academy [Spanish: Real Academia Española], 2024 December 10

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