The Collaborative International Dictionary of English v.0.48:
Furbish \Fur"bish\, v. t. [imp. & p. p. Furbished; p. pr. & vb. n. Furbishing.] [OE. forbischen, OF. forbir, furbir, fourbir, F. fourbir, fr. OHG. furban to clean. See -ish.] To rub or scour to brightness; to clean; to burnish; as, to furbish a sword or spear. --Shak. [1913 Webster] Furbish new the name of John a Gaunt. --Shak. [1913 Webster]