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Origin and history of decipher

decipher(v.)

1520s, "find out, discover" (a sense now obsolete); 1540s, "interpret (a coded writing, etc.) by the use of a key," from de- + cipher (v.). Perhaps in part a loan-translation from French déchiffrer. From c. 1600 in the transferred sense of "discover or explain the meaning of what is difficult to understand." Sense of "succeed in reading what is written in obscure or partially obliterated characters" is by 1710. Related: Deciphered; deciphering.

Entries linking to decipher

also cypher, 1520s, "to do arithmetic" (with Arabic numerals), from cipher (n.). Transitive sense "reckon in figures, cast up" is from 1860. Meaning "to write in code or occult characters" is from 1560s. Related: Ciphered; ciphering.

"capable of being deciphered," c. 1600; see decipher + -able.

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