An Etymological Dictionary of the German Language/haschen
haschen, vb., ‘to snatch,’ a MidG. word made current by Luther, unknown to the modern UpG. dialects as well as to OHG., MidHG., and all other languages. Probably connected with haft, heben, root haf (Lat. capio); Goth. *hafskón, ‘to seize,’ must have become *haskôn in G., just as Goth. haifsts, f., ‘quarrel, fight,’ has become the OHG. adj. heisti, ‘violent’; comp. OHG. forscôn, ‘to demand,’ for *forhskôn, Goth. waúrstw, ‘work, for *waúrhstw. Comp. harsch, Hast, Hauste.