quietus

Something that serves to suppress, check, or eliminate.

Release from life; death.

A final discharge, as of a duty or debt.

A final discharge of an account; a final settlement; a quittance.

Hence A finishing or ending in general; stoppage.

A severe blow; a “settler.”

Final discharge or acquittance, as from debt or obligation; that which silences claims; (Fig.) rest; death.

A stillness or pause; something that quiets or represses; removal from activity; especially: death.

Final settlement (as of a debt).

euphemisms for death (based on an analogy between lying in a bed and in a tomb)