The Collaborative International Dictionary of English v.0.48:

Lethargy \Leth"ar*gy\ (-j[y^]), n.; pl. -gies (-j[i^]z). [F.
   l['e]thargie, L. lethargia, Gr. lhqargi`a, fr. lh`qargos
   forgetful, fr. lh`qh forgetfulness. See Lethe.]
   1. Morbid drowsiness; continued or profound sleep, from which
      a person can scarcely be awaked.
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   2. A state of inaction or indifference.
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            Europe lay then under a deep lethargy. --Atterbury.
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The Collaborative International Dictionary of English v.0.48:

Martyrology \Mar`tyr*ol"o*gy\, n.; pl. -gies. [Martyr +
   -logy.]
   A history or account of martyrs; a register of martyrs. --Bp.
   Stillingfleet.
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