Europe lay then under a deep lethargy.
Atterbury.
Leth"ar*gy, v. t. To lethargize. [Obs.] Shak.
Le"the (l"th or lth), n. [See Lethal.] Death.[Obs.] Shak.
Le"the (l"th), n. [L., fr. Gr. lh`qh, prop., forgetfulness; akin to
lanqa`nesqai to forget, lanqa`nein to escape notice.] 1. (Class. Myth.)
A river of Hades whose waters when drunk caused forgetfulness of the
past.