Source : Webster's Revised Unabridged Dictionary (1913)

Greith \Greith\, v. t. [Icel. grei[eth]a: cf. AS. ger[=ae]dan to
   arrange; pref. ge- + r[=ae]de ready. Cf. {Ready.}]
   To make ready; -- often used reflexively. [Obs.] --Chaucer.

Greith \Greith\, n. [Icel. grei[eth]i. See {Greith}, v.]
   Goods; furniture. [Obs.] See {Graith}.