Source : Webster's Revised Unabridged Dictionary (1913)

Aslake \A*slake"\ ([.a]*sl[=a]k"), v. t. & i. [AS. [=a]slacian,
   slacian, to slacken. Cf. {Slake}.]
   To mitigate; to moderate; to appease; to abate; to diminish.
   [Archaic] --Chaucer.