An Etymological Dictionary of the German Language/weder

by Friedrich Kluge

weder, particle, in conjunction with noch, from MidHG. newëder, OHG. niwëdar; this is properly a neut. of wëdar, ‘each of two,’ niwëdar... noh, ‘neither of the two... nor.’ Comp. the corresponding development of entweder, and also E. either (lit. ‘each of two’).