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de

[duh; Fr. duh; Sp. de; Port. di]

Origin

preposition

from; of (used in French, Spanish, and Portuguese personal names, originally to indicate place of origin): Comte de Rochambeau; Don Ricardo de Aragón.

Origin:
< French, Spanish, Portuguese < Latin dē

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De is always a great word to know.

So is ninnyhammer. Does it mean:

a chattering or flighty, light-headed person.

a fool or simpleton; ninny.

LEARN MORE UNUSUAL WORDS WITH WORD DYNAMO...

Dictionary.com Unabridged

a prefix occurring in loanwords from Latin (decide); also used to indicate privation, removal, and separation (dehumidify), negation (demerit; derange), descent (degrade; deduce), reversal (detract), intensity (decompound). Compare di-², dis-¹.

Origin:
Middle English < Latin dē-, prefixal use of dē (preposition) from, away from, of, out of; in some words, < French < Latin dē- or dis- dis-¹

Delaware (approved especially for use with zip code).

destroyer escort.

preposition

dei (used in Italian names as an elided form of dei): de' Medici.

Doctor of Engineering.

driver education.

dilation and extraction.

Also, D and E

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Link To De

Collins

World English Dictionary

de, (before a vowel) De, (before a vowel) d' or (before a vowel) D'¹ (də)

—
	of; from: occurring as part of some personal names and originally indicating place of origin: Simon de Montfort; D'Arcy; de la Mare

[from Latin dē; see de-]

De, (before a vowel) De, (before a vowel) d' or (before a vowel) D'¹

—

[from Latin dē; see de-]

d', (before a vowel) De, (before a vowel) d' or (before a vowel) D'¹

—

[from Latin dē; see de-]

D', (before a vowel) De, (before a vowel) d' or (before a vowel) D'¹

—

[from Latin dē; see de-]

de, (before a vowel) De, (before a vowel) d' or (before a vowel) D'¹ (də)

—
	of; from: occurring as part of some personal names and originally indicating place of origin: Simon de Montfort; D'Arcy; de la Mare

[from Latin dē; see de-]

De, (before a vowel) De, (before a vowel) d' or (before a vowel) D'¹

—

[from Latin dē; see de-]

d', (before a vowel) De, (before a vowel) d' or (before a vowel) D'¹

—

[from Latin dē; see de-]

D', (before a vowel) De, (before a vowel) d' or (before a vowel) D'¹

—

[from Latin dē; see de-]

de²

—*the internet domain name for*
	Germany

DE

—*abbreviation for*
1.	(formerly in Britain) Department of Employment
2.	Delaware

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline

Word Origin & History

L. adv. and prep. meaning "down from, off, concerning," from PIE demonstrative stem *de-.

EXPAND

de-

active prefix in English and in many words inherited from Fr. and Latin, from L. de "down, down from, from, off, concerning," also used as a prefix in Latin usually meaning "down, off, away, from among, down from," but also "down to the bottom, totally" hence "completely" (intensive

or completive), which is its sense in many English words. As a Latin prefix it also had the function of undoing or reversing a verb's action, and hence it came to be used as a pure privative -- "not" -- which is its primary function as a living prefix in English, as in defrost (1895), defuse (1943), etc. Cf. also dis-.

COLLAPSE

Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage

Medical Dictionary

de- pref.