quitquit

Quit comes from Anglo-Norman quitter, from Old French quitte ‘free, acquitted’, ultimately from Latin quiētus ‘at rest’, from quiēscō ‘to rest’.

1. Proto-Indo-Europeanc. 4500–2500 BCE*kʷyeh₁-¹‘to rest’reconstructed
2. Latinc. 75 BCE–200 CEquiēscō¹‘to rest, repose’
3. Latinc. 75 BCE–200 CEquiētus¹‘at rest, quiet’
4. Old Frenchc. 842–1400quitte¹‘acquitted, free’
5. Old Frenchc. 842–1400quitter¹‘to release, quit’
6. Anglo-Normanc. 1066–1400quitter¹
7. Middle Englishc. 1150–1500quiten¹
8. Englishearliest quotation 1485quit¹

1. ¹ Wiktionary, English quit
2. Earliest quotation in Wiktionary’s entry: 1485, Sir Thomas Malory: “I was but late att a Iustynge and there…”.