You searched for: “ex mero motu”
Ex mero motu.
Of one's own free will; without compulsion or restraint.

A legal term also meaning "of his own accord; voluntarily" and "without prompting or request". Equivalent terms are sua sponte or exproprio motu.

This entry is located in the following units: Latin Proverbs, Mottoes, Phrases, and Words: Group E (page 5) mot-, moto-, -motile, -motility, -motorial, -motoric, -motive, -motored; mov- (page 3)