stith
Webster's Dictionary (GCIDE)
Stith \Stith\ (st[i^]th), a. [AS. st[imac][eth].] Strong; stiff; rigid. [Obs. or Prov. Eng.] [1913 Webster]
Stith \Stith\, n. [Icel. ste[eth]i an anvil, akin to sta[eth]r place. See Stead.] An anvil; a stithy. [Obs. or Prov. Eng.] [1913 Webster]
He invented also pincers, hammers, iron crows, and the anvil, or stith. --Holland. [1913 Webster]