torpor

noun

1. sluggish inactivity or inertia.
2. lethargic indifference; apathy.
3. a state of suspended physical powers and activities.
4. dormancy, as of a hibernating animal.

noun

1. a state of torpidity

n.

c.1600, from Latin torpor “numbness,” from torpere “be numb,” from PIE root *ster- “stiff” (cf. Old Church Slavonic trupeti, Lithuanian tirpstu “to become rigid;” Greek stereos “solid;” Old English steorfan “to die;” see sterile).

n.

1. A state of mental or physical inactivity or insensibility.
2. Lethargy; apathy.