The Collaborative International Dictionary of English v.0.48:

Moither \Moi"ther\, v. t. [Etymol. uncertain.]
   To perplex; to confuse. [Prov. Eng.] --Lamb.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Moither \Moi"ther\, v. i.
   To toil; to labor. [Prov. Eng.]
   [1913 Webster]