Strong H1305 בָּרַר bârar · to purify

Daniel

1. Daniel 11:35
   And some of them of understanding shall fall, to try them, and to purge, and to make them white, even to the time of the end: because it is yet for a time appointed.
2. Daniel 12:10
   Many shall be purified, and made white, and tried; but the wicked shall do wickedly: and none of the wicked shall understand; but the wise shall understand.