stevedore: [18] A stevedore ‘docker’ is etymologically a ‘packer’ of cargo. The word was originally borrowed into American English from Spanish estivador, a derivative of estivar ‘stow cargo’. This was descended from Latin stīpāre ‘press, pack’ (source also of English constipation). => constipation, stiff
1828, earlier stowadore (1788), from Spanish estibador "one who loads cargo, wool-packer," agent noun from estibar "to stow cargo," from Latin stipare "pack down, press" (see stiff (adj.)).