Lethargy
Lethargy (-jy) , noun
[French léthargie, Latin lethargia, Greek lhqargi`a, from lh`qargos forgetful, from lh`qh forgetfulness. See Lethe.]
1.
Morbid drowsiness; continued or profound sleep, from which a person can scarcely be awaked.
2.
A state of inaction or indifference.
Europe lay then under a deep lethargy.
Lethargy , transitive verb
To lethargize. [Obsolete] — Shakespeare