sunder out

verb4

1. •
   To separate or set apart from others; split out; segregate.

   • The critics, however, sunder out one of the number and arbitrarily assign it to a different document from the rest. — 1891
2. •
   To remove a piece of something from the whole; separate out.

   • But none save Arthur there availed, To sunder out the blade --King Arthur Made King
3. •
   To break out; divide or scatter about.

   • Religion, ritual, art, moral regulation have been sundered out of their original fusion, appreciated for a moment, and then dispensed. — 1988
4. •
   To apportion; allot; assign.

   • As to the broad field of religious mysticism and the literature essentially Freudian in method, they have been sundered out for treatment by others in special articles of this number of the BULLETIN. — 1926