qui tam
A writ whereby a private individual who assists a prosecution can receive all or part…A writ whereby a private individual who assists a prosecution can receive all or part of any penalty imposed.
US/kwiː ˈtæm/
Meaning
2 senses(uncountable)A writ whereby a private individual who assists a prosecution can receive all or part of any penalty imposed.
(uncountable)An action in which a private party sues on behalf of the state.
Origin
Latin qui tam pro domino rege quam pro se ipso in hac parte sequitur, "[he] who sues in thLatin qui tam pro domino rege quam pro se ipso in hac parte sequitur, "[he] who sues in this matter for the king as [well as] for himself".
Wiktionary, CC BY-SA 4.0 · source
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable