quits
/kwɪts
/adjective [predicative]
(Of two people) on even terms, especially because a debt or score has been settled: I think we’re just about quits now, don’t you?
Phrases
call it quits
Origin
Late 15th century (in the sense 'freed from a liability or debt'): perhaps a colloquial abbreviation of medieval Latin quittus, from Latin quietus, used as a receipt (see quietus).