The Collaborative International Dictionary of English v.0.48:

Seeth \Seeth\, obs.
   imp. of Seethe. --Chaucer.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Seethe \Seethe\, v. t. [imp. Seethed(Sod, obs.); p. p.
   Seethed, Sodden; p. pr. & vb. n. Seething.] [OE.
   sethen, AS. se['o]?an; akin to D. sieden, OHG. siodan, G.
   sieden, Icel. sj??a, Sw. sjuda, Dan. syde, Goth. saubs a
   burnt offering. Cf. Sod, n., Sodden, Suds.]
   To decoct or prepare for food in hot liquid; to boil; as, to
   seethe flesh. [Written also seeth.]
   [1913 Webster]

         Set on the great pot, and seethe pottage for the sons
         of the prophets.                         --2 Kings iv.
                                                  38.
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