An Etymological Dictionary of the German Language/Stapel
Stapel, m., ‘support, stocks (for ships),’ ModHG. only, a LG. word, corresponding to HG. Staffel. Comp. Du. stapel, ‘heap, staple-town,’ E. staple (hence Fr. étape, ‘depot, emporium’). “The development of meaning in the cognates ranges through the meanings ‘support (AS. stapol), foundation (OHG. staffol), frame, heap, piled up goods.’” See the following word.