KJV Dictionary Definition: whit
WHIT, n. L. A point; a jot; the smallest part or particle imaginable. It is used without a preposition. He is not a whit the wiser for experience.
It does not me a whit displease.
The regular construction would be by a whit, or in a whit. In these phrases, a whit may be interpreted by in the least, in the smallest degree.