portmanteau

n (pl ~s or -teaux / -tEUz; -toz/) (dated 旧) large oblong (usu leather) case for clothes that opens on a hinge into two equal parts 旅行衣箱（通常为皮制, 以合叶联接相同的两部分）.

portage, portal, portal vein, portcullis, portend, portent, portentous, portentously, porter, porter's lodge, porterage, porterhouse steak, portfolio, porthole, portico, portion, Portland cement, Portland stone, portliness, portly, portmanteau word, portrait, portrait painter, portraitist, portraiture, portray, portrayal, Portsmouth, Portugal, Portuguese, pose, poser, poseur, posh, posit, position, positional, positive, positive pole, positively,