What is "to trust unto"

Trust \Trust\, v. i.

1. To have trust; to be credulous; to be won to confidence; to confide.

   More to know could not be more to trust.
   --Shak.

2. To be confident, as of something future; to hope.

   I will trust and not be afraid.
   --Isa. xii. 2.

3. To sell or deliver anything in reliance upon a promise of payment; to give credit.

   It is happier sometimes to be cheated than not to trust.
   --Johnson.

   To trust in, To trust on, to place confidence in,; to rely on; to depend. ``Trust in the Lord, and do good.''
   --Ps. xxxvii. 3. ``A priest . . . on whom we trust.''
   --Chaucer.

   Her widening streets on new foundations trust.
   --Dryden.

   To trust to or To trust unto, to depend on; to have confidence in; to rely on; as, to trust to luck.

   They trusted unto the liers in wait.
   --Judges xx. 36.