discouple
/dɪsˈkʌpl/verb
1 [with object] To separate or part (a group or pair of persons or things); to uncouple (a person or thing) from another, or from a group.
2 [no object] To split, part, separate. rare.
Origin
Late Middle English; earliest use found in Of Shrifte & Penance. From dis- + couple, after Anglo-Norman and Middle French descoupler to separate, to uncouple.