quits

Multiple Entries:
  quits    quit  

Concise Oxford English Dictionary © 2008 Oxford University Press:
quits/kwɪts/

▶adjective on equal terms because a debt or score has been settled.

– phrases
call it quits

• 1 agree that terms are now equal.

• 2 decide to abandon an activity.

– origin C15 (in the sense ‘freed from a liability or debt’): perh. a colloq. abbrev. of med. L. quittus, from L. quietus, used as a receipt (see quietus).

Concise Oxford English Dictionary © 2008 Oxford University Press:
quit/kwɪt/

▶verb (quits, quitting; past and past part. quitted or quit)

• 1 leave, especially permanently.

• 2 informal resign from (a job).

• 3 informal, chiefly N. Amer. stop or discontinue.

• 4 (quit oneself) archaic behave in a specified way.

▶adjective (quit of) rid of.

– phrases
quit hold of archaic let go of.

– origin ME: from OFr. quiter (v.), quite (adj.), from L. quietus, past part. of quiescere ‘be still’, from quies ‘quiet’.