睡すい眠みん預よ金きん

noun

dormant account; inactive bank account

A bank account with no deposits or withdrawals for a long period, where the depositor's rights may have lapsed under banking regulations.

• 長ちょう期き間かん使つかっていない口こう座ざは睡すい眠みん預よ金きんになることがある。

  An account that hasn't been used for a long time may become a dormant account.