An Etymological Dictionary of the German Language/ewig

by Friedrich Kluge

ewig, adj., ‘eternal, perpetual,’ from the equiv. MidHG. êwic(g), OHG. êwig; corresponding to OSax. êwig, Du. eeuwig, ‘eternal’; derived from an OTeut. root meaning ‘eternity.’ Comp. Goth. aiws, ‘time, eternity,’ OHG. êwa, ‘eternity,’ which are primit. cognate with Lat. aevum, ‘eternity, lifetime,’ and Gr. αἰών. Comp. je.