from
The Collaborative International Dictionary of English v.0.48
Warlock \War"lock\, n. [OE. warloghe a deceiver, a name or the
Devil, AS. w?rloga a belier or breaker of his agreement,
word, or pledge; w?r covenant, troth (aki? to L. verus true;
see {Very}) + loga a liar (in comp.), le['o]gan to lie. See
3d {Lie}.]
A male witch; a wizard; a sprite; an imp. [Written also
{warluck}.] --Dryden.
[1913 Webster]
It was Eyvind Kallda's crew
Of warlocks blue,
With their caps of darkness hooded! --Longfellow.
[1913 Webster]