The androgynous given name Courtney is translated from it's Latin language origins as as "a court, an enclosed place", or "the court".
Amicus curaie
It is a Latin phrase which means by the court.
Pro Se
"Per curium" is Latin for "by the court." It distinguishes court opinions written by the whole court, as opposed to those written by a single judge or justice.
"Caulator" is a Latin name for a jester, a court fool, a babbler etc.
They may file an Amicus Curiae brief with the court. The Latin phrase means friend of the court.
The Latin Word Querimonia has many meanings, mainly: complaint, a charge in court.
Stare decisis (Latin)
In absentia is Latin for "in the absence". In legal use it usually pertains to a defendant's right to be present in court proceedings in a criminal trial.
Vestibule is a French word derived from Latin originally (vestibulum meaning entrance court)
The precise answer is "ubi corpus". But, I think the questioner is probably looking for the answer "habeas corpus" - which is the Latin for "you shall have the body" - i.e. you must present the body/person to the court.