bedrest

• bed rest

From Middle English bædræste, from Old English bedrest, beddrest, equivalent to bed +‎ rest.

bedrest (uncountable)

1. A device used to support a person sitting up in bed.
2. (medicine) Confinement to bed, often under instructions of a physician, in order to recover from an injury, an illness, or the frailty associated with other physical discomforts such as a difficult pregnancy.

• “bedrest”, in OneLook Dictionary Search.