Quit

adj. Clear; discharged; free; also spoken of persons absolved or acquitted of a charge. v. To leave; remove from; surrender possession of; as when a tenant "quits" the premises or receives a "notice to quit."

Notice to quit

A written notice given by a landlord to his tenant, stating that the former desires to repossess himself of the demised premises, and that the latter is required to quit and remove from the same at a time designated, either at the expiration of the term, if the tenant is in under a lease, or immediately, if the tenancy is at will or by sufferance.