This is the 2893rd most frequent Russian word.
вернули
"Returned" or "gave back."
In this sentence, 'вернули' (returned) is used to indicate returning an item or money.
Они вернули деньги после покупки телефона.
They returned the money after purchasing the phone.
Here, 'вернули' (returned) illustrates resuming or going back to previous habits or states.
После длительного путешествия мы вернули старые привычки.
After a long journey, we returned to old habits.
In this case, 'вернули' (returned) is employed to depict restitution or restoration to someone.