Strong's #8226: saphan (pronounced saw-fan')
 a primitive root; to conceal (as a valuable):--treasure.
Brown-Driver-Briggs Hebrew Lexicon:
 ׂ 
  śâphan 
 
 1) to cover, cover in, panel, hide, treasure up
 
 1a) (Qal)
 
 1a1) covered, panelled, treasures (participle)
 
  Part of Speech: verb
Relation: a primitive root
Usage:
This word is used 1 times:
Deuteronomy 33:19: "they shall suck of the abundance of the seas,  and of treasures hid in the sand."