olive branch
US /ˈɑl.ɪv bræntʃ/
UK /ˈɑl.ɪv bræntʃ/

1.
和解のしるし, 和平の申し出
something that is offered to an enemy or opponent in order to make peace
:
•
The government extended an olive branch to the rebels, offering negotiations.
政府は反乱軍に交渉を申し出て、和解のしるしを示した。
•
After years of conflict, the two families finally exchanged an olive branch.
長年の対立の後、二つの家族はついに和解のしるしを交わした。