godan verb (-su), transitive verb, intransitive verb
return to original state; revert; restore
Used both transitively and intransitively. Often implies returning to a previous condition or position. Somewhat formal; in everyday speech 戻る/戻す or 復する are more common.
See also: 復する
秩序を復すために全力を尽くした。
We did our utmost to restore order.
病状がもとの状態に復すまで時間がかかった。
It took time for the condition to return to its original state.