unhold
To unhand, release from one's grasp, let go of.
transitive
The unrefuted accusation had also been a libel on yourselves, whose great intelligence has unholden Maga in so unprecedented a degree, and who monthly devour the astonishing number of six and thirty thousand of her copies.
To remove from a "hold" or "on hold" state.
transitive
Scroll to Hold, and press the trackball. Your call is now on hold. Follow these steps to unhold your call: […]
Where it comes from
From Middle English unholden, equivalent to un- + hold.
Adapted from the Wiktionary entry unhold (CC BY-SA 4.0).