An Etymological Dictionary of the German Language/rammeln

by Friedrich Kluge

rammeln, vb., ‘to buck, rut, ram, force in,’ from MidHG. rammeln, OHG. rammalôn, ‘to rut’; akin to Rammler, ‘buck rabbit,’ from MidHG. rammeler, ‘ram during the rutting season.’ A derivative of the cognates discussed under Ramme.