of your own accord

of (one's) own accord

Voluntarily; of one's own free will. Police are hoping that the person of interest surrenders of his own accord. No, I didn't tell him to bring anything to dinner. He did that of his own accord.
See also: accord, of, own
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

of your own accord

FORMAL
COMMON If you do something of your own accord, you do it without being asked or forced. He did not quit as France's prime minister of his own accord. There was always the chance that the girl had simply chosen to run away of her own accord.
See also: accord, of, own
Collins COBUILD Idioms Dictionary, 3rd ed. © HarperCollins Publishers 2012

of your own accord

voluntarily or without outside intervention.
See also: accord, of, own
Farlex Partner Idioms Dictionary © Farlex 2017

of your own acˈcord

without being asked or forced: I didn’t need to tell her to apologize; she did it of her own accord.
See also: accord, of, own
Farlex Partner Idioms Dictionary © Farlex 2017
See also:
References in classic literature ?
(you will do that of your own accord), but even to our house at Gleninch.
Are you the woman to give up your silks and your jewels, and your position in this house, and to go back to the Refuge of your own accord? Not you-- not you!"
He added: "Perhaps more importantly you showed immediate remorse and immediately went, of your own accord, to the police to turn yourself in."