restraint
https://gyazo.com/3edc4eff5dbc92ff19602f17a74cf1c5
noun
1. (often restraints) a measure or condition that keeps someone or something under control or within limits:
〖通例～s〗 «…に対する» 制限［禁止］条項 «on»
e.g. decisions are made within the financial restraints of the budget.
the action of keeping someone or something under control:
«…の» 抑制, 制限; 禁止 «on»
e.g. a policy of restraint in public spending.
deprivation or restriction of personal liberty or freedom of movement:
束縛, 拘束; 監禁.
e.g. he remained aggressive and required physical restraint.
a device which limits or prevents freedom of movement:
シートベルト; 拘束器具［手段］.
e.g. car safety restraints.
2. unemotional, dispassionate, or moderate behavior; self-control:
«…についての» 自制, 慎み; 遠慮(reserve); (表現などの)控えめ, 節度 «in»
e.g. he urged the protesters to exercise restraint.
understatement, especially of artistic expression:
e.g. with strings and piano, all restraint vanished.
ORIGIN
late Middle English: from Old French restreinte, feminine past participle of restreindre ‘hold back’ (see restrain).