pass word

password

[pas-wurd, pahs-]
noun
1.
a secret word or expression used by authorized persons to prove their right to access, information, etc.
2.
a word or other string of characters, sometimes kept secret or confidential, that must be supplied by a user in order to gain full or partial access to a multiuser computer system or its data resources.
Compare countersign.


Origin:
1810–20; pass + word


1. watchword.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
password (ˈpɑːsˌwɜːd)
 
n
1.  a secret word, phrase, etc, that ensures admission or acceptance by proving identity, membership, etc
2.  an action, quality, etc, that gains admission or acceptance
3.  a sequence of characters used to gain access to a computer system

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Etymonline
Word Origin & History

password
"word appointed as a sign to distinguish friend from foe," c.1817, from 'pass (v.) + word.
Online Etymology Dictionary, © 2010 Douglas Harper
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