An Etymological Dictionary of the German Language/gicksen

by Friedrich Kluge

gicksen, vb., from the equiv. MidHG. giksen (gëksen), ‘to sigh,’ OHG. gicchaȥȥen; from an onomatopoetic root gik, with a frequentative suffix sen (OHG. aȥȥen, azzen, Goth. atjan).