ex mero motu
ex mero motu 〈拉〉自愿地；主动地 该词早期主要用来指国王作出的特许是出于国王自发的行为，以阻止某些主张国王受到了欺骗从而对此特许提出的异议。现在仍用于指法庭主动作出的——即不是因为当事人申请而作出的——行为。
EX MERO MOTU
ex mero motu
ex mero motu (eks meer-oh moh-tyoo). [Latin “on his mere motion”] Hist. Voluntarily; without suggestion or influence from another person. • The phrase was formerly sometimes used in reference to a court, as an equivalent of sua sponte or on its own motion. See SUA SPONTE.