de·ci·pher
/dəˈsīfər/
verb: decipher
3rd person present: deciphers
past tense: deciphered
past participle: deciphered
gerund or present participle: deciphering
convert (a text written in code, or a coded signal) into normal language.
- succeed in understanding, interpreting, or identifying (something).
Origin
early 16th century: from de- (expressing reversal) + cipher1, on the pattern of French déchiffrer .