③
减轻(刑罚);(把刑罚)折算抵减
相关 动词理据由本义「变换」扩及「把刑罚更易为较轻者」——固定刑期经折算而成减替。
例句
The judge commuted the death sentence to life imprisonment.法官把死刑减为终身监禁;承本义「变换」——更易刑罚为轻刑。His sentence was commuted to a fine.他的刑期被折换为罚金;同此——折算抵减。
溯源路径本义 → 义项3