צָפוּן
tzfun
Formal HebrewMeaning1. Something that is hidden or kept in a secret place so others cannot find it.
2. Information that is written in a special code so only certain people can read it.
HistoryThis word comes from the Bible. The root צ.פ.נ means "to hide" or "to store away". So, something that is "tzafun" is something that has been hidden. The modern meaning of "encoded" comes from this same idea of hiding information.
Example
The treasure is hidden in a secret cave.
