An Etymological Dictionary of the German Language/belzen

by Friedrich Kluge

belzen, vb., ‘to graft,’ also pelzen; MidHG. belzen, OHG. belzôn with the same meaning; cognate with Provenç. empeltar, ‘to graft,’ which, with Fr. pelletier, ‘furrier’ (see Pelz), belongs to Lat. pellis.