The Collaborative International Dictionary of English v.0.48:

Alegge \A*legge"\, v. t. [OE. aleggen, alegen, OF. alegier, F.
   all['e]ger, fr. LL. alleviare, for L. allevare to lighten; ad
   + levis light. Cf. Alleviate, Allay, Allege.]
   To allay or alleviate; to lighten. [Obs.]
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         That shall alegge this bitter blast.     --Spenser.
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