The Collaborative International Dictionary of English v.0.48:

Tath \Tath\ (t[a^]th), obs.
   3d pers. sing. pres. of Ta, to take.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Tath \Tath\, n. [Prov. E.; of Scand. origin; cf. Icel. ta[eth]
   dung, ta[eth]a the grass of a manured pasture, te[eth]ja to
   manure. [root]58. Cf. Ted.]
   1. Dung, or droppings of cattle. [Prov. Eng. & Scot.]
      [1913 Webster]

   2. The luxuriant grass growing about the droppings of cattle
      in a pasture. [Prov. Eng. & Scot.]
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Tath \Tath\, v. t.
   To manure (land) by pasturing cattle on it, or causing them
   to lie upon it. [Prov. Eng. & Scot.]
   [1913 Webster]