An Etymological Dictionary of the German Language/fürder

by Friedrich Kluge

fürder, adv., ‘further,’ from MidHG. vürder, OHG. furdir, adv., ‘further in front, further on, away’; apparently an oblique form of the compar. neut., like Goth. faurþis, ‘formerly,’ from fort, Goth. *faurþ; AS. furþor, adv., ‘forward, further, more distantly’ (Goth. *faúrþôs), E. further. See fort.