n. 解脱, 生命的终止, 偿清

[法] 偿清, 解除, 清除

[ noun ]
euphemisms for death (based on an analogy between lying in a bed and in a tomb)
<noun.state>
she was laid to rest beside her husbandthey had to put their family pet to sleep

Quietus \Qui*e"tus\, n. [LL. quietus quit, discharged, L., at
rest, quiet, dead. See {Quiet}, a., and cf. {Quit}, a.]
Final discharge or acquittance, as from debt or obligation;
that which silences claims; (Fig.) rest; death.

When he himself might his quietus make
With a bare bodkin. --Shak.