Depone
Depone (de*pōn") , transitive verb
[Latin deponere, depositum, to put down, in Late Latin, to assert under oath; de- + ponere to put, place. See Position, and compare Deposit.]
1.
To lay, as a stake; to wager. [Obsolete] — Hudibras
2.
To lay down. [Rare] — Southey
3.
To assert under oath; to depose. [A Scotticism]
Sprot deponeth that he entered himself thereafter in conference.
Depone , intransitive verb
To testify under oath; to depose; to bear witness. [A Scotticism]
The fairy Glorians, whose credibility on this point can not be called in question, depones to the confinement of Merlin in a tree.