a judgment entered against the plaintiff in a suit when the plaintiff does not appear in court to prosecute it.
Origin of non prosequitur
First recorded in 1760–70, non prosequitur is from the Latin word nōn prōsequitur literally, he does not pursue (prosecute)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Word Origin for non prosequitur
Latin, literally: he does not prosecute