Lethargy (noun)
leth-ar-gee
The quality or state of being drowsy and dull, listless and unenergetic, or indifferent and lazy; apathetic or sluggish inactivity.
First recorded in 1325–75; from Late Latin lēthargia, from Greek lēthargía, equivalent to lḗtharg(os) “drowsy”.
Example sentences
“I could not shake off the lethargy that came over me.”