sua sponte

adverb or adjective

sua spon·​te

ˈsü-ə-ˈspän-tē, -ˈspōn-tā

: on the court's own motion or initiative

authorize the court to order a new trial sua sponte

—J. H. Friedenthal et al.

the court's sua sponte dismissal

Word History

Etymology

Latin, of its own accord