An Etymological Dictionary of the German Language/Annotated/rammeln

by Friedrich Kluge

rammeln, verb, ‘to buck, rut, ram, force in,’ from Middle High German rammeln, Old High German rammalôn, ‘to rut’; akin to Rammler, ‘buck rabbit,’ from Middle High German rammeler, ‘ram during the rutting season.’ A derivative of the cognates discussed under Ramme.